132131408 has 10 divisors (see below), whose sum is σ = 256004634. Its totient is φ = 66065696.

The previous prime is 132131407. The next prime is 132131443. The reversal of 132131408 is 804131231.

It can be written as a sum of positive squares in only one way, i.e., 128414224 + 3717184 = 11332^2 + 1928^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132131401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4129091 + ... + 4129122.

Almost surely, 2^132131408 is an apocalyptic number.

It is an amenable number.

132131408 is a deficient number, since it is larger than the sum of its proper divisors (123873226).

132131408 is an equidigital number, since it uses as much as digits as its factorization.

132131408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8258221 (or 8258215 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 132131408 is about 11494.8426696497. The cubic root of 132131408 is about 509.3332412001. Note that the first 3 decimals are identical.

Adding to 132131408 its reverse (804131231), we get a palindrome (936262639).

The spelling of 132131408 in words is "one hundred thirty-two million, one hundred thirty-one thousand, four hundred eight".