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136969377 = 3311472789
BaseRepresentation
bin10000010100111…
…11110010100001
3100112201202122220
420022133302201
5240031010002
621331421253
73252135426
oct1012376241
9315652586
10136969377
1170352136
1239a54829
13224b8a8c
1414295d4d
15c0587bc
hex829fca1

136969377 has 8 divisors (see below), whose sum is σ = 188517120. Its totient is φ = 88367280.

The previous prime is 136969369. The next prime is 136969379. The reversal of 136969377 is 773969631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 136969377 - 23 = 136969369 is a prime.

It is a super-2 number, since 2×1369693772 = 37521220471536258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136969379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 736302 + ... + 736487.

It is an arithmetic number, because the mean of its divisors is an integer number (23564640).

Almost surely, 2136969377 is an apocalyptic number.

It is an amenable number.

136969377 is a deficient number, since it is larger than the sum of its proper divisors (51547743).

136969377 is a wasteful number, since it uses less digits than its factorization.

136969377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472823.

The product of its digits is 1285956, while the sum is 51.

The square root of 136969377 is about 11703.3916878826. The cubic root of 136969377 is about 515.4752605266.

The spelling of 136969377 in words is "one hundred thirty-six million, nine hundred sixty-nine thousand, three hundred seventy-seven".

Divisors: 1 3 31 93 1472789 4418367 45656459 136969377