139787448 has 16 divisors (see below), whose sum is σ = 349468680. Its totient is φ = 46595808.

The previous prime is 139787429. The next prime is 139787477. The reversal of 139787448 is 844787931.

139787448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 139787448.

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, 2912215 + ... + 2912262.

Almost surely, 2^139787448 is an apocalyptic number.

It is an amenable number.

139787448 is an abundant number, since it is smaller than the sum of its proper divisors (209681232).

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

139787448 is a wasteful number, since it uses less digits than its factorization.

139787448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5824486 (or 5824482 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 51.

The square root of 139787448 is about 11823.1741930837. The cubic root of 139787448 is about 518.9864973228.

The spelling of 139787448 in words is "one hundred thirty-nine million, seven hundred eighty-seven thousand, four hundred forty-eight".