138875564330 has 16 divisors (see below), whose sum is σ = 251160740064. Its totient is φ = 55286953680.

The previous prime is 138875564323. The next prime is 138875564381. The reversal of 138875564330 is 33465578831.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32906792 + ... + 32911011.

It is an arithmetic number, because the mean of its divisors is an integer number (15697546254).

Almost surely, 2^138875564330 is an apocalyptic number.

138875564330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138875564330 is a deficient number, since it is larger than the sum of its proper divisors (112285175734).

138875564330 is a wasteful number, since it uses less digits than its factorization.

138875564330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65818021.

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 138875564330 in words is "one hundred thirty-eight billion, eight hundred seventy-five million, five hundred sixty-four thousand, three hundred thirty".