139303432 has 16 divisors (see below), whose sum is σ = 261361260. Its totient is φ = 69607104.

The previous prime is 139303403. The next prime is 139303447. The reversal of 139303432 is 234303931.

It can be written as a sum of positive squares in 2 ways, for example, as 131652676 + 7650756 = 11474^2 + 2766^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 139303432.

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, 10378 + ... + 19654.

Almost surely, 2^139303432 is an apocalyptic number.

It is an amenable number.

139303432 is a deficient number, since it is larger than the sum of its proper divisors (122057828).

139303432 is a wasteful number, since it uses less digits than its factorization.

139303432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11160 (or 11156 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 139303432 is about 11802.6874905676. The cubic root of 139303432 is about 518.3868052991.

The spelling of 139303432 in words is "one hundred thirty-nine million, three hundred three thousand, four hundred thirty-two".