137938655 has 8 divisors (see below), whose sum is σ = 169048512. Its totient is φ = 108002848.

The previous prime is 137938649. The next prime is 137938681. The reversal of 137938655 is 556839731.

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

It is a cyclic number.

It is not a de Polignac number, because 137938655 - 2⁴ = 137938639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293252 + ... + 293721.

It is an arithmetic number, because the mean of its divisors is an integer number (21131064).

Almost surely, 2^137938655 is an apocalyptic number.

137938655 is a deficient number, since it is larger than the sum of its proper divisors (31109857).

137938655 is an equidigital number, since it uses as much as digits as its factorization.

137938655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587025.

The product of its digits is 680400, while the sum is 47.

The square root of 137938655 is about 11744.7288176441. The cubic root of 137938655 is about 516.6883415580.

The spelling of 137938655 in words is "one hundred thirty-seven million, nine hundred thirty-eight thousand, six hundred fifty-five".