131432264 has 8 divisors (see below), whose sum is σ = 246435510. Its totient is φ = 65716128.

The previous prime is 131432261. The next prime is 131432267. The reversal of 131432264 is 462234131.

It is an interprime number because it is at equal distance from previous prime (131432261) and next prime (131432267).

It can be written as a sum of positive squares in only one way, i.e., 114276100 + 17156164 = 10690^2 + 4142^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (131432261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8214509 + ... + 8214524.

Almost surely, 2^131432264 is an apocalyptic number.

It is an amenable number.

131432264 is a deficient number, since it is larger than the sum of its proper divisors (115003246).

131432264 is a wasteful number, since it uses less digits than its factorization.

131432264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16429039 (or 16429035 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 131432264 is about 11464.3911308015. The cubic root of 131432264 is about 508.4333108260.

Adding to 131432264 its reverse (462234131), we get a palindrome (593666395).

The spelling of 131432264 in words is "one hundred thirty-one million, four hundred thirty-two thousand, two hundred sixty-four".