139364408 has 16 divisors (see below), whose sum is σ = 261691560. Its totient is φ = 69580000.

The previous prime is 139364399. The next prime is 139364413. The reversal of 139364408 is 804463931.

It is a congruent number.

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, 6818 + ... + 18033.

Almost surely, 2^139364408 is an apocalyptic number.

It is an amenable number.

139364408 is a deficient number, since it is larger than the sum of its proper divisors (122327152).

139364408 is a wasteful number, since it uses less digits than its factorization.

139364408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25558 (or 25554 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 139364408 is about 11805.2703484503. The cubic root of 139364408 is about 518.4624304829.

The spelling of 139364408 in words is "one hundred thirty-nine million, three hundred sixty-four thousand, four hundred eight".