139064496 has 80 divisors (see below), whose sum is σ = 381225600. Its totient is φ = 43559424.

The previous prime is 139064473. The next prime is 139064521. The reversal of 139064496 is 694460931.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126220 + ... + 127316.

It is an arithmetic number, because the mean of its divisors is an integer number (4765320).

Almost surely, 2^139064496 is an apocalyptic number.

139064496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139064496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190612800).

139064496 is an abundant number, since it is smaller than the sum of its proper divisors (242161104).

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

139064496 is a wasteful number, since it uses less digits than its factorization.

139064496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266 (or 1260 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 139064496 is about 11792.5610449978. The cubic root of 139064496 is about 518.0902532522.

The spelling of 139064496 in words is "one hundred thirty-nine million, sixty-four thousand, four hundred ninety-six".