102135623340 has 48 divisors (see below), whose sum is σ = 290826869760. Its totient is φ = 26774535360.

The previous prime is 102135623339. The next prime is 102135623393. The reversal of 102135623340 is 43326531201.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 102135623298 and 102135623307.

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, 14422396 + ... + 14429475.

It is an arithmetic number, because the mean of its divisors is an integer number (6058893120).

Almost surely, 2^102135623340 is an apocalyptic number.

102135623340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102135623340 is an abundant number, since it is smaller than the sum of its proper divisors (188691246420).

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

102135623340 is a wasteful number, since it uses less digits than its factorization.

102135623340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28851942 (or 28851940 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 102135623340 in words is "one hundred two billion, one hundred thirty-five million, six hundred twenty-three thousand, three hundred forty".