132401312021921 has 2 divisors, whose sum is σ = 132401312021922. Its totient is φ = 132401312021920.

The previous prime is 132401312021861. The next prime is 132401312021963. The reversal of 132401312021921 is 129120213104231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95104702682896 + 37296609339025 = 9752164^2 + 6107095^2 .

It is a cyclic number.

It is not a de Polignac number, because 132401312021921 - 2²⁶ = 132401244913057 is a prime.

It is not a weakly prime, because it can be changed into another prime (132401312021021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66200656010960 + 66200656010961.

It is an arithmetic number, because the mean of its divisors is an integer number (66200656010961).

Almost surely, 2^{132401312021921} is an apocalyptic number.

It is an amenable number.

132401312021921 is a deficient number, since it is larger than the sum of its proper divisors (1).

132401312021921 is an equidigital number, since it uses as much as digits as its factorization.

132401312021921 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 spelling of 132401312021921 in words is "one hundred thirty-two trillion, four hundred one billion, three hundred twelve million, twenty-one thousand, nine hundred twenty-one".