138564300 has 72 divisors (see below), whose sum is σ = 458192896. Its totient is φ = 31671360.

The previous prime is 138564289. The next prime is 138564311. The reversal of 138564300 is 3465831.

It is an interprime number because it is at equal distance from previous prime (138564289) and next prime (138564311).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30892 + ... + 35091.

Almost surely, 2^138564300 is an apocalyptic number.

138564300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138564300 is an abundant number, since it is smaller than the sum of its proper divisors (319628596).

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

138564300 is a wasteful number, since it uses less digits than its factorization.

138564300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66007 (or 66000 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 138564300 is about 11771.3338241679. Note that the first 3 decimals coincide. The cubic root of 138564300 is about 517.4683403815.

The spelling of 138564300 in words is "one hundred thirty-eight million, five hundred sixty-four thousand, three hundred".