138896676530 has 64 divisors (see below), whose sum is σ = 263853676800. Its totient is φ = 52563114240.

The previous prime is 138896676487. The next prime is 138896676557. The reversal of 138896676530 is 35676698831.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12890045 + ... + 12900815.

It is an arithmetic number, because the mean of its divisors is an integer number (4122713700).

Almost surely, 2^138896676530 is an apocalyptic number.

138896676530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138896676530 is a deficient number, since it is larger than the sum of its proper divisors (124957000270).

138896676530 is a wasteful number, since it uses less digits than its factorization.

138896676530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11699.

The product of its (nonzero) digits is 39191040, while the sum is 62.

The spelling of 138896676530 in words is "one hundred thirty-eight billion, eight hundred ninety-six million, six hundred seventy-six thousand, five hundred thirty".