131469669 has 32 divisors (see below), whose sum is σ = 200263680. Its totient is φ = 85201200.

The previous prime is 131469659. The next prime is 131469671. The reversal of 131469669 is 966964131.

It is not a de Polignac number, because 131469669 - 2⁸ = 131469413 is a prime.

It is a super-2 number, since 2×131469669² = 34568547733939122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131469649) 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, 267514 + ... + 268004.

It is an arithmetic number, because the mean of its divisors is an integer number (6258240).

Almost surely, 2^131469669 is an apocalyptic number.

It is an amenable number.

131469669 is a deficient number, since it is larger than the sum of its proper divisors (68794011).

131469669 is a wasteful number, since it uses less digits than its factorization.

131469669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758 (or 752 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 131469669 is about 11466.0223704648. The cubic root of 131469669 is about 508.4815388221.

The spelling of 131469669 in words is "one hundred thirty-one million, four hundred sixty-nine thousand, six hundred sixty-nine".