131332468 has 12 divisors (see below), whose sum is σ = 230787172. Its totient is φ = 65393280.

The previous prime is 131332459. The next prime is 131332559. The reversal of 131332468 is 864233131.

It can be written as a sum of positive squares in 2 ways, for example, as 81036004 + 50296464 = 9002^2 + 7092^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67155 + ... + 69082.

Almost surely, 2^131332468 is an apocalyptic number.

It is an amenable number.

131332468 is a deficient number, since it is larger than the sum of its proper divisors (99454704).

131332468 is a wasteful number, since it uses less digits than its factorization.

131332468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136482 (or 136480 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 131332468 is about 11460.0378707926. The cubic root of 131332468 is about 508.3045944396.

Adding to 131332468 its reverse (864233131), we get a palindrome (995565599).

The spelling of 131332468 in words is "one hundred thirty-one million, three hundred thirty-two thousand, four hundred sixty-eight".