102281739504 has 80 divisors (see below), whose sum is σ = 319737892608. Its totient is φ = 27504331776.

The previous prime is 102281739467. The next prime is 102281739529. The reversal of 102281739504 is 405937182201.

It is a super-2 number, since 2×102281739504² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 8947522 + ... + 8958945.

Almost surely, 2^102281739504 is an apocalyptic number.

102281739504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

102281739504 is an abundant number, since it is smaller than the sum of its proper divisors (217456153104).

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

102281739504 is a wasteful number, since it uses less digits than its factorization.

102281739504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17906502 (or 17906496 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 102281739504 in words is "one hundred two billion, two hundred eighty-one million, seven hundred thirty-nine thousand, five hundred four".