139088448 has 56 divisors (see below), whose sum is σ = 408899360. Its totient is φ = 46362240.

The previous prime is 139088431. The next prime is 139088461. The reversal of 139088448 is 844880931.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38518 + ... + 41973.

Almost surely, 2^139088448 is an apocalyptic number.

139088448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

139088448 is an abundant number, since it is smaller than the sum of its proper divisors (269810912).

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

139088448 is an equidigital number, since it uses as much as digits as its factorization.

139088448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80512 (or 80496 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 139088448 is about 11793.5765567533. The cubic root of 139088448 is about 518.1199962509.

The spelling of 139088448 in words is "one hundred thirty-nine million, eighty-eight thousand, four hundred forty-eight".