131469668 has 12 divisors (see below), whose sum is σ = 250987632. Its totient is φ = 59758920.

The previous prime is 131469659. The next prime is 131469671. The reversal of 131469668 is 866964131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 2987947 = 131469668 / (1 + 3 + 1 + 4 + 6 + 9 + 6 + 6 + 8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1493930 + ... + 1494017.

It is an arithmetic number, because the mean of its divisors is an integer number (20915636).

Almost surely, 2^131469668 is an apocalyptic number.

It is an amenable number.

131469668 is a deficient number, since it is larger than the sum of its proper divisors (119517964).

131469668 is a wasteful number, since it uses less digits than its factorization.

131469668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987962 (or 2987960 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 131469668 is about 11466.0223268577. The cubic root of 131469668 is about 508.4815375329.

The spelling of 131469668 in words is "one hundred thirty-one million, four hundred sixty-nine thousand, six hundred sixty-eight".