132531404 has 6 divisors (see below), whose sum is σ = 231929964. Its totient is φ = 66265700.

The previous prime is 132531389. The next prime is 132531419. The reversal of 132531404 is 404135231.

It is an interprime number because it is at equal distance from previous prime (132531389) and next prime (132531419).

It is a super-2 number, since 2×132531404² = 35129146092422432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 132531404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16566422 + ... + 16566429.

It is an arithmetic number, because the mean of its divisors is an integer number (38654994).

Almost surely, 2^132531404 is an apocalyptic number.

It is an amenable number.

132531404 is a deficient number, since it is larger than the sum of its proper divisors (99398560).

132531404 is a wasteful number, since it uses less digits than its factorization.

132531404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33132855 (or 33132853 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 132531404 is about 11512.2284549951. The cubic root of 132531404 is about 509.8466846598.

Adding to 132531404 its reverse (404135231), we get a palindrome (536666635).

The spelling of 132531404 in words is "one hundred thirty-two million, five hundred thirty-one thousand, four hundred four".