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136936377 = 3217895009
BaseRepresentation
bin10000010100101…
…11101110111001
3100112200002101200
420022113232321
5240023431002
621331004413
73251640264
oct1012275671
9315602350
10136936377
117032a366
1239a39709
13224a6a56
1414287cdb
15c04db1c
hex8297bb9

136936377 has 12 divisors (see below), whose sum is σ = 209432340. Its totient is φ = 85920768.

The previous prime is 136936369. The next prime is 136936403. The reversal of 136936377 is 773639631.

136936377 is a `hidden beast` number, since 1 + 3 + 6 + 9 + 3 + 637 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 61402896 + 75533481 = 7836^2 + 8691^2 .

It is not a de Polignac number, because 136936377 - 23 = 136936369 is a prime.

It is a super-2 number, since 2×1369363772 = 37503142691772258, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (136936307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 447352 + ... + 447657.

It is an arithmetic number, because the mean of its divisors is an integer number (17452695).

Almost surely, 2136936377 is an apocalyptic number.

136936377 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

136936377 is a deficient number, since it is larger than the sum of its proper divisors (72495963).

136936377 is a wasteful number, since it uses less digits than its factorization.

136936377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895032 (or 895029 counting only the distinct ones).

The product of its digits is 428652, while the sum is 45.

The square root of 136936377 is about 11701.9817552413. The cubic root of 136936377 is about 515.4338594235.

The spelling of 136936377 in words is "one hundred thirty-six million, nine hundred thirty-six thousand, three hundred seventy-seven".

Divisors: 1 3 9 17 51 153 895009 2685027 8055081 15215153 45645459 136936377