102146720764502 has 32 divisors (see below), whose sum is σ = 162656410018752. Its totient is φ = 47943752141824.

The previous prime is 102146720764469. The next prime is 102146720764511. The reversal of 102146720764502 is 205467027641201.

It is a super-2 number, since 2×102146720764502² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18847343 + ... + 23654085.

It is an arithmetic number, because the mean of its divisors is an integer number (5083012813086).

Almost surely, 2^{102146720764502} is an apocalyptic number.

102146720764502 is a deficient number, since it is larger than the sum of its proper divisors (60509689254250).

102146720764502 is a wasteful number, since it uses less digits than its factorization.

102146720764502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4808392.

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 102146720764502 in words is "one hundred two trillion, one hundred forty-six billion, seven hundred twenty million, seven hundred sixty-four thousand, five hundred two".