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137908677 = 3311482889
BaseRepresentation
bin10000011100001…
…01000111000101
3100121111111010210
420032011013011
5240301034202
621403510033
73263130054
oct1016050705
9317444123
10137908677
1170933915
123a228319
132275748a
141445c39b
15c191c6c
hex83851c5

137908677 has 8 divisors (see below), whose sum is σ = 189809920. Its totient is φ = 88973280.

The previous prime is 137908663. The next prime is 137908679. The reversal of 137908677 is 776809731.

It is a happy number.

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

It is not a de Polignac number, because 137908677 - 26 = 137908613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137908679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 741352 + ... + 741537.

It is an arithmetic number, because the mean of its divisors is an integer number (23726240).

Almost surely, 2137908677 is an apocalyptic number.

It is an amenable number.

137908677 is a deficient number, since it is larger than the sum of its proper divisors (51901243).

137908677 is a wasteful number, since it uses less digits than its factorization.

137908677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482923.

The product of its (nonzero) digits is 444528, while the sum is 48.

The square root of 137908677 is about 11743.4525161896. The cubic root of 137908677 is about 516.6509084800.

The spelling of 137908677 in words is "one hundred thirty-seven million, nine hundred eight thousand, six hundred seventy-seven".

Divisors: 1 3 31 93 1482889 4448667 45969559 137908677