139411432 has 16 divisors (see below), whose sum is σ = 261545760. Its totient is φ = 69665904.

The previous prime is 139411429. The next prime is 139411453. The reversal of 139411432 is 234114931.

It is a self number, because there is not a number n which added to its sum of digits gives 139411432.

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, 14293 + ... + 21979.

It is an arithmetic number, because the mean of its divisors is an integer number (16346610).

Almost surely, 2^139411432 is an apocalyptic number.

It is an amenable number.

139411432 is a deficient number, since it is larger than the sum of its proper divisors (122134328).

139411432 is a wasteful number, since it uses less digits than its factorization.

139411432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9960 (or 9956 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 139411432 is about 11807.2618332956. The cubic root of 139411432 is about 518.5207367035.

The spelling of 139411432 in words is "one hundred thirty-nine million, four hundred eleven thousand, four hundred thirty-two".