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136940275 = 5223238157
BaseRepresentation
bin10000010100110…
…00101011110011
3100112200021202001
420022120223303
5240024042100
621331034431
73251654533
oct1012305363
9315607661
10136940275
117033228a
1239a3ba17
13224a8764
14142894c3
15c04ed6a
hex8298af3

136940275 has 12 divisors (see below), whose sum is σ = 177189552. Its totient is φ = 104788640.

The previous prime is 136940273. The next prime is 136940311. The reversal of 136940275 is 572049631.

It is not a de Polignac number, because 136940275 - 21 = 136940273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136940273) 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 11 ways as a sum of consecutive naturals, for example, 118504 + ... + 119653.

It is an arithmetic number, because the mean of its divisors is an integer number (14765796).

Almost surely, 2136940275 is an apocalyptic number.

136940275 is a deficient number, since it is larger than the sum of its proper divisors (40249277).

136940275 is a wasteful number, since it uses less digits than its factorization.

136940275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238190 (or 238185 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 136940275 is about 11702.1483070417. The cubic root of 136940275 is about 515.4387501184.

The spelling of 136940275 in words is "one hundred thirty-six million, nine hundred forty thousand, two hundred seventy-five".

Divisors: 1 5 23 25 115 575 238157 1190785 5477611 5953925 27388055 136940275