132451431 has 16 divisors (see below), whose sum is σ = 202675968. Its totient is φ = 75369600.

The previous prime is 132451427. The next prime is 132451441. The reversal of 132451431 is 134154231.

It is a happy number.

It is not a de Polignac number, because 132451431 - 2² = 132451427 is a prime.

It is a super-2 number, since 2×132451431² = 35086763147895522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132451441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8025 + ... + 18146.

It is an arithmetic number, because the mean of its divisors is an integer number (12667248).

Almost surely, 2^132451431 is an apocalyptic number.

132451431 is a deficient number, since it is larger than the sum of its proper divisors (70224537).

132451431 is a wasteful number, since it uses less digits than its factorization.

132451431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26422.

The product of its digits is 1440, while the sum is 24.

The square root of 132451431 is about 11508.7545373077. The cubic root of 132451431 is about 509.7441123089.

The spelling of 132451431 in words is "one hundred thirty-two million, four hundred fifty-one thousand, four hundred thirty-one".