32130239 has 4 divisors (see below), whose sum is σ = 32375640. Its totient is φ = 31884840.

The previous prime is 32130227. The next prime is 32130247. The reversal of 32130239 is 93203123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93203123 = 13 ⋅7169471.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32130239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32130209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122504 + ... + 122765.

It is an arithmetic number, because the mean of its divisors is an integer number (8093910).

Almost surely, 2^32130239 is an apocalyptic number.

32130239 is a deficient number, since it is larger than the sum of its proper divisors (245401).

32130239 is a wasteful number, since it uses less digits than its factorization.

32130239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245400.

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

The square root of 32130239 is about 5668.3541703038. The cubic root of 32130239 is about 317.9103388955.

The spelling of 32130239 in words is "thirty-two million, one hundred thirty thousand, two hundred thirty-nine".