102390766136 has 16 divisors (see below), whose sum is σ = 193776918840. Its totient is φ = 50716921120.

The previous prime is 102390766123. The next prime is 102390766139. The reversal of 102390766136 is 631667093201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102390766139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59806835 + ... + 59808546.

Almost surely, 2^102390766136 is an apocalyptic number.

It is an amenable number.

102390766136 is a deficient number, since it is larger than the sum of its proper divisors (91386152704).

102390766136 is a wasteful number, since it uses less digits than its factorization.

102390766136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119615494 (or 119615490 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 44.

The spelling of 102390766136 in words is "one hundred two billion, three hundred ninety million, seven hundred sixty-six thousand, one hundred thirty-six".