132890621 has 2 divisors, whose sum is σ = 132890622. Its totient is φ = 132890620.

The previous prime is 132890603. The next prime is 132890647. The reversal of 132890621 is 126098231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97022500 + 35868121 = 9850^2 + 5989^2 .

It is a cyclic number.

It is not a de Polignac number, because 132890621 - 2¹⁰ = 132889597 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132890651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66445310 + 66445311.

It is an arithmetic number, because the mean of its divisors is an integer number (66445311).

Almost surely, 2^132890621 is an apocalyptic number.

It is an amenable number.

132890621 is a deficient number, since it is larger than the sum of its proper divisors (1).

132890621 is an equidigital number, since it uses as much as digits as its factorization.

132890621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 132890621 is about 11527.8194382112. The cubic root of 132890621 is about 510.3069035764.

The spelling of 132890621 in words is "one hundred thirty-two million, eight hundred ninety thousand, six hundred twenty-one".