139490316 has 48 divisors (see below), whose sum is σ = 413306880. Its totient is φ = 39854160.

The previous prime is 139490311. The next prime is 139490339. The reversal of 139490316 is 613094931.

139490316 is a `hidden beast` number, since 139 + 490 + 31 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (139490311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91500 + ... + 93011.

It is an arithmetic number, because the mean of its divisors is an integer number (8610560).

Almost surely, 2^139490316 is an apocalyptic number.

It is an amenable number.

139490316 is an abundant number, since it is smaller than the sum of its proper divisors (273816564).

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

139490316 is a wasteful number, since it uses less digits than its factorization.

139490316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184531 (or 184523 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 139490316 is about 11810.6018474928. The cubic root of 139490316 is about 518.6185174877.

The spelling of 139490316 in words is "one hundred thirty-nine million, four hundred ninety thousand, three hundred sixteen".