32320139 has 2 divisors, whose sum is σ = 32320140. Its totient is φ = 32320138.

The previous prime is 32320087. The next prime is 32320151. The reversal of 32320139 is 93102323.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32320139 - 2²⁰ = 31271563 is a prime.

It is not a weakly prime, because it can be changed into another prime (32326139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16160069 + 16160070.

It is an arithmetic number, because the mean of its divisors is an integer number (16160070).

Almost surely, 2^32320139 is an apocalyptic number.

32320139 is a deficient number, since it is larger than the sum of its proper divisors (1).

32320139 is an equidigital number, since it uses as much as digits as its factorization.

32320139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 32320139 is about 5685.0803864150. The cubic root of 32320139 is about 318.5354263166.

The spelling of 32320139 in words is "thirty-two million, three hundred twenty thousand, one hundred thirty-nine".