139008416 has 24 divisors (see below), whose sum is σ = 273988260. Its totient is φ = 69424128.

The previous prime is 139008377. The next prime is 139008431. The reversal of 139008416 is 614800931.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 135024400 + 3984016 = 11620^2 + 1996^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 33800 + ... + 37688.

Almost surely, 2^139008416 is an apocalyptic number.

139008416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

139008416 is a deficient number, since it is larger than the sum of its proper divisors (134979844).

139008416 is a wasteful number, since it uses less digits than its factorization.

139008416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5016 (or 5008 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 139008416 is about 11790.1830350508. The cubic root of 139008416 is about 518.0206011395.

The spelling of 139008416 in words is "one hundred thirty-nine million, eight thousand, four hundred sixteen".