139334432 has 12 divisors (see below), whose sum is σ = 274314726. Its totient is φ = 69667200.

The previous prime is 139334417. The next prime is 139334453. The reversal of 139334432 is 234433931.

139334432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 139334416 + 16 = 11804^2 + 4^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 4354201 = 139334432 / (1 + 3 + 9 + 3 + 3 + 4 + 4 + 3 + 2).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2177069 + ... + 2177132.

Almost surely, 2^139334432 is an apocalyptic number.

It is an amenable number.

139334432 is a deficient number, since it is larger than the sum of its proper divisors (134980294).

139334432 is an equidigital number, since it uses as much as digits as its factorization.

139334432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4354211 (or 4354203 counting only the distinct ones).

The product of its digits is 23328, while the sum is 32.

The square root of 139334432 is about 11804.0006777363. Note that the first 3 decimals coincide. The cubic root of 139334432 is about 518.4252556537.

The spelling of 139334432 in words is "one hundred thirty-nine million, three hundred thirty-four thousand, four hundred thirty-two".