102136869656522 has 24 divisors (see below), whose sum is σ = 165415495295820. Its totient is φ = 47276468098560.

The previous prime is 102136869656449. The next prime is 102136869656537. The reversal of 102136869656522 is 225656968631201.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 40812919473001 + 61323950183521 = 6388499^2 + 7830961^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1448385947 + ... + 1448456462.

Almost surely, 2^{102136869656522} is an apocalyptic number.

102136869656522 is a deficient number, since it is larger than the sum of its proper divisors (63278625639298).

102136869656522 is a wasteful number, since it uses less digits than its factorization.

102136869656522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2896842506 (or 2896842489 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 62.

The spelling of 102136869656522 in words is "one hundred two trillion, one hundred thirty-six billion, eight hundred sixty-nine million, six hundred fifty-six thousand, five hundred twenty-two".