139700904 has 32 divisors (see below), whose sum is σ = 399145920. Its totient is φ = 39914496.

The previous prime is 139700881. The next prime is 139700909. The reversal of 139700904 is 409007931.

It is not an unprimeable number, because it can be changed into a prime (139700909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415609 + ... + 415944.

It is an arithmetic number, because the mean of its divisors is an integer number (12473310).

Almost surely, 2^139700904 is an apocalyptic number.

139700904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

139700904 is an abundant number, since it is smaller than the sum of its proper divisors (259445016).

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

139700904 is a wasteful number, since it uses less digits than its factorization.

139700904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831569 (or 831565 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 139700904 is about 11819.5136955799. The cubic root of 139700904 is about 518.8793717298.

The spelling of 139700904 in words is "one hundred thirty-nine million, seven hundred thousand, nine hundred four".