8040133239 has 4 divisors (see below), whose sum is σ = 10720177656. Its totient is φ = 5360088824.

The previous prime is 8040133237. The next prime is 8040133259. The reversal of 8040133239 is 9323310408.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8040133239 - 2¹ = 8040133237 is a prime.

It is a super-2 number, since 2×8040133239² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8040133237) 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, 1340022204 + ... + 1340022209.

It is an arithmetic number, because the mean of its divisors is an integer number (2680044414).

Almost surely, 2^8040133239 is an apocalyptic number.

8040133239 is a deficient number, since it is larger than the sum of its proper divisors (2680044417).

8040133239 is a wasteful number, since it uses less digits than its factorization.

8040133239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2680044416.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 8040133239 is about 89666.7900562968. The cubic root of 8040133239 is about 2003.3388594902.

The spelling of 8040133239 in words is "eight billion, forty million, one hundred thirty-three thousand, two hundred thirty-nine".