137638902655 has 8 divisors (see below), whose sum is σ = 165172194000. Its totient is φ = 110107448256.

The previous prime is 137638902641. The next prime is 137638902683. The reversal of 137638902655 is 556209836731.

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 137638902655 - 2²⁷ = 137504684927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 137638902596 and 137638902605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288630 + ... + 598819.

It is an arithmetic number, because the mean of its divisors is an integer number (20646524250).

Almost surely, 2^137638902655 is an apocalyptic number.

137638902655 is a deficient number, since it is larger than the sum of its proper divisors (27533291345).

137638902655 is an equidigital number, since it uses as much as digits as its factorization.

137638902655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918473.

The product of its (nonzero) digits is 8164800, while the sum is 55.

The spelling of 137638902655 in words is "one hundred thirty-seven billion, six hundred thirty-eight million, nine hundred two thousand, six hundred fifty-five".