132385621 has 2 divisors, whose sum is σ = 132385622. Its totient is φ = 132385620.

The previous prime is 132385601. The next prime is 132385633. The reversal of 132385621 is 126583231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82174225 + 50211396 = 9065^2 + 7086^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132385621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132385601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66192810 + 66192811.

It is an arithmetic number, because the mean of its divisors is an integer number (66192811).

Almost surely, 2^132385621 is an apocalyptic number.

It is an amenable number.

132385621 is a deficient number, since it is larger than the sum of its proper divisors (1).

132385621 is an equidigital number, since it uses as much as digits as its factorization.

132385621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 31.

The square root of 132385621 is about 11505.8950542754. The cubic root of 132385621 is about 509.6596742693.

The spelling of 132385621 in words is "one hundred thirty-two million, three hundred eighty-five thousand, six hundred twenty-one".