139251364 has 12 divisors (see below), whose sum is σ = 278502784. Its totient is φ = 59679144.

The previous prime is 139251353. The next prime is 139251373. The reversal of 139251364 is 463152931.

139251364 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2486604 + ... + 2486659.

Almost surely, 2^139251364 is an apocalyptic number.

139251364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

139251364 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

139251364 is a wasteful number, since it uses less digits than its factorization.

139251364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4973274 (or 4973272 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

The square root of 139251364 is about 11800.4815155993. The cubic root of 139251364 is about 518.3222107485.

The spelling of 139251364 in words is "one hundred thirty-nine million, two hundred fifty-one thousand, three hundred sixty-four".