152639239 has 6 divisors (see below), whose sum is σ = 153301784. Its totient is φ = 151979520.

The previous prime is 152639237. The next prime is 152639251. The reversal of 152639239 is 932936251.

It is not a de Polignac number, because 152639239 - 2¹ = 152639237 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 (152639233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64894 + ... + 67204.

Almost surely, 2^152639239 is an apocalyptic number.

152639239 is a deficient number, since it is larger than the sum of its proper divisors (662545).

152639239 is an frugal number, since it uses more digits than its factorization.

With its successor (152639240) it forms an eRAP, since the sums of their prime factors are consecutive (2825 and 2826).

152639239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825 (or 2568 counting only the distinct ones).

The product of its digits is 87480, while the sum is 40.

The square root of 152639239 is about 12354.7253712901. The cubic root of 152639239 is about 534.4274178099.

The spelling of 152639239 in words is "one hundred fifty-two million, six hundred thirty-nine thousand, two hundred thirty-nine".