132723531 has 18 divisors (see below), whose sum is σ = 202031180. Its totient is φ = 83730240.

The previous prime is 132723527. The next prime is 132723541. The reversal of 132723531 is 135327231.

It is not a de Polignac number, because 132723531 - 2² = 132723527 is a prime.

It is a super-2 number, since 2×132723531² = 35231071362215922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 132723495 and 132723504.

It is not an unprimeable number, because it can be changed into a prime (132723511) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 150211 + ... + 151091.

Almost surely, 2^132723531 is an apocalyptic number.

132723531 is a deficient number, since it is larger than the sum of its proper divisors (69307649).

132723531 is an frugal number, since it uses more digits than its factorization.

132723531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787 (or 903 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 132723531 is about 11520.5699077780. The cubic root of 132723531 is about 510.0929357741.

The spelling of 132723531 in words is "one hundred thirty-two million, seven hundred twenty-three thousand, five hundred thirty-one".