153135239 has 4 divisors (see below), whose sum is σ = 155233056. Its totient is φ = 151037424.

The previous prime is 153135217. The next prime is 153135251. The reversal of 153135239 is 932531351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 932531351 = 2713 ⋅343727.

It is a cyclic number.

It is not a de Polignac number, because 153135239 - 2²⁴ = 136358023 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 (153135209) 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, 1048799 + ... + 1048944.

It is an arithmetic number, because the mean of its divisors is an integer number (38808264).

Almost surely, 2^153135239 is an apocalyptic number.

153135239 is a deficient number, since it is larger than the sum of its proper divisors (2097817).

153135239 is an equidigital number, since it uses as much as digits as its factorization.

153135239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097816.

The product of its digits is 12150, while the sum is 32.

The square root of 153135239 is about 12374.7823819249. The cubic root of 153135239 is about 535.0056644813.

The spelling of 153135239 in words is "one hundred fifty-three million, one hundred thirty-five thousand, two hundred thirty-nine".