131962969 has 4 divisors (see below), whose sum is σ = 135181620. Its totient is φ = 128744320.

The previous prime is 131962967. The next prime is 131962997. The reversal of 131962969 is 969269131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14348944 + 117614025 = 3788^2 + 10845^2 .

It is a cyclic number.

It is not a de Polignac number, because 131962969 - 2¹ = 131962967 is a prime.

It is a super-2 number, since 2×131962969² = 34828450374589922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131962967) 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, 1609264 + ... + 1609345.

It is an arithmetic number, because the mean of its divisors is an integer number (33795405).

Almost surely, 2^131962969 is an apocalyptic number.

It is an amenable number.

131962969 is a deficient number, since it is larger than the sum of its proper divisors (3218651).

131962969 is an equidigital number, since it uses as much as digits as its factorization.

131962969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3218650.

The product of its digits is 157464, while the sum is 46.

The square root of 131962969 is about 11487.5136126144. The cubic root of 131962969 is about 509.1167192185.

The spelling of 131962969 in words is "one hundred thirty-one million, nine hundred sixty-two thousand, nine hundred sixty-nine".