2131739967 has 8 divisors (see below), whose sum is σ = 3248365696. Its totient is φ = 1218137112.

The previous prime is 2131739947. The next prime is 2131739999. The reversal of 2131739967 is 7699371312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2131739967 - 2⁸ = 2131739711 is a prime.

It is a super-2 number, since 2×2131739967² = 9088630573810322178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131739947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50755693 + ... + 50755734.

It is an arithmetic number, because the mean of its divisors is an integer number (406045712).

Almost surely, 2^2131739967 is an apocalyptic number.

2131739967 is a deficient number, since it is larger than the sum of its proper divisors (1116625729).

2131739967 is a wasteful number, since it uses less digits than its factorization.

2131739967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101511437.

The product of its digits is 428652, while the sum is 48.

The square root of 2131739967 is about 46170.7696167175. The cubic root of 2131739967 is about 1286.9986041742.

The spelling of 2131739967 in words is "two billion, one hundred thirty-one million, seven hundred thirty-nine thousand, nine hundred sixty-seven".