1652131239 has 32 divisors (see below), whose sum is σ = 2512041984. Its totient is φ = 956054880.

The previous prime is 1652131219. The next prime is 1652131277. The reversal of 1652131239 is 9321312561.

It is not a de Polignac number, because 1652131239 - 2⁵ = 1652131207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1652131219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 516804 + ... + 519990.

It is an arithmetic number, because the mean of its divisors is an integer number (78501312).

Almost surely, 2^1652131239 is an apocalyptic number.

1652131239 is a deficient number, since it is larger than the sum of its proper divisors (859910745).

1652131239 is a wasteful number, since it uses less digits than its factorization.

1652131239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3907.

The product of its digits is 9720, while the sum is 33.

The square root of 1652131239 is about 40646.4172959930. The cubic root of 1652131239 is about 1182.1743016996.

The spelling of 1652131239 in words is "one billion, six hundred fifty-two million, one hundred thirty-one thousand, two hundred thirty-nine".