139457516 has 12 divisors (see below), whose sum is σ = 266237160. Its totient is φ = 63389760.

The previous prime is 139457459. The next prime is 139457531. The reversal of 139457516 is 615754931.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1584701 + ... + 1584788.

It is an arithmetic number, because the mean of its divisors is an integer number (22186430).

Almost surely, 2^139457516 is an apocalyptic number.

It is an amenable number.

139457516 is a deficient number, since it is larger than the sum of its proper divisors (126779644).

139457516 is a wasteful number, since it uses less digits than its factorization.

139457516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3169504 (or 3169502 counting only the distinct ones).

The product of its digits is 113400, while the sum is 41.

The square root of 139457516 is about 11809.2131829348. The cubic root of 139457516 is about 518.5778646755.

The spelling of 139457516 in words is "one hundred thirty-nine million, four hundred fifty-seven thousand, five hundred sixteen".