102136787710988 has 24 divisors (see below), whose sum is σ = 180028441454400. Its totient is φ = 50700103084368.

The previous prime is 102136787710817. The next prime is 102136787711011. The reversal of 102136787710988 is 889017787631201.

It is a super-2 number, since 2×102136787710988² (a number of 29 digits) contains 22 as substring.

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, 30582131 + ... + 33757077.

It is an arithmetic number, because the mean of its divisors is an integer number (7501185060600).

Almost surely, 2^{102136787710988} is an apocalyptic number.

It is an amenable number.

102136787710988 is a deficient number, since it is larger than the sum of its proper divisors (77891653743412).

102136787710988 is a wasteful number, since it uses less digits than its factorization.

102136787710988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3232949 (or 3232947 counting only the distinct ones).

The product of its (nonzero) digits is 56899584, while the sum is 68.

The spelling of 102136787710988 in words is "one hundred two trillion, one hundred thirty-six billion, seven hundred eighty-seven million, seven hundred ten thousand, nine hundred eighty-eight".