102071264538 has 32 divisors (see below), whose sum is σ = 205061313600. Its totient is φ = 33870723840.

The previous prime is 102071264509. The next prime is 102071264543. The reversal of 102071264538 is 835462170201.

It is a junction number, because it is equal to n+sod(n) for n = 102071264496 and 102071264505.

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, 4759656 + ... + 4781052.

It is an arithmetic number, because the mean of its divisors is an integer number (6408166050).

Almost surely, 2^102071264538 is an apocalyptic number.

102071264538 is an abundant number, since it is smaller than the sum of its proper divisors (102990049062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102071264538 is a wasteful number, since it uses less digits than its factorization.

102071264538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24942.

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 102071264538 in words is "one hundred two billion, seventy-one million, two hundred sixty-four thousand, five hundred thirty-eight".