132131521 has 2 divisors, whose sum is σ = 132131522. Its totient is φ = 132131520.

The previous prime is 132131513. The next prime is 132131563. The reversal of 132131521 is 125131231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75881521 + 56250000 = 8711^2 + 7500^2 .

It is a cyclic number.

It is not a de Polignac number, because 132131521 - 2³ = 132131513 is a prime.

It is not a weakly prime, because it can be changed into another prime (132131581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66065760 + 66065761.

It is an arithmetic number, because the mean of its divisors is an integer number (66065761).

Almost surely, 2^132131521 is an apocalyptic number.

It is an amenable number.

132131521 is a deficient number, since it is larger than the sum of its proper divisors (1).

132131521 is an equidigital number, since it uses as much as digits as its factorization.

132131521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 180, while the sum is 19.

The square root of 132131521 is about 11494.8475848965. The cubic root of 132131521 is about 509.3333863956. Note that the first 4 decimals are identical.

Adding to 132131521 its reverse (125131231), we get a palindrome (257262752).

The spelling of 132131521 in words is "one hundred thirty-two million, one hundred thirty-one thousand, five hundred twenty-one".