139290800 has 60 divisors (see below), whose sum is σ = 365080056. Its totient is φ = 50649600.

The previous prime is 139290793. The next prime is 139290839. The reversal of 139290800 is 8092931.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11429 + ... + 20228.

Almost surely, 2^139290800 is an apocalyptic number.

139290800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139290800 is an abundant number, since it is smaller than the sum of its proper divisors (225789256).

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

139290800 is a wasteful number, since it uses less digits than its factorization.

139290800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31686 (or 31675 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 139290800 is about 11802.1523460765. The cubic root of 139290800 is about 518.3711357640.

The spelling of 139290800 in words is "one hundred thirty-nine million, two hundred ninety thousand, eight hundred".