139563744 has 48 divisors (see below), whose sum is σ = 387909648. Its totient is φ = 43784192.

The previous prime is 139563703. The next prime is 139563769. The reversal of 139563744 is 447365931.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 139563696 and 139563705.

It is a congruent number.

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, 41127 + ... + 44390.

It is an arithmetic number, because the mean of its divisors is an integer number (8081451).

Almost surely, 2^139563744 is an apocalyptic number.

It is an amenable number.

139563744 is an abundant number, since it is smaller than the sum of its proper divisors (248345904).

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

139563744 is a wasteful number, since it uses less digits than its factorization.

139563744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85547 (or 85539 counting only the distinct ones).

The product of its digits is 272160, while the sum is 42.

The square root of 139563744 is about 11813.7100015194. The cubic root of 139563744 is about 518.7095021561.

The spelling of 139563744 in words is "one hundred thirty-nine million, five hundred sixty-three thousand, seven hundred forty-four".