132377105821 has 2 divisors, whose sum is σ = 132377105822. Its totient is φ = 132377105820.

The previous prime is 132377105801. The next prime is 132377105837. The reversal of 132377105821 is 128501773231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113107779225 + 19269326596 = 336315^2 + 138814^2 .

It is a cyclic number.

It is not a de Polignac number, because 132377105821 - 2²⁹ = 131840234909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132377105801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66188552910 + 66188552911.

It is an arithmetic number, because the mean of its divisors is an integer number (66188552911).

Almost surely, 2^132377105821 is an apocalyptic number.

It is an amenable number.

132377105821 is a deficient number, since it is larger than the sum of its proper divisors (1).

132377105821 is an equidigital number, since it uses as much as digits as its factorization.

132377105821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 132377105821 in words is "one hundred thirty-two billion, three hundred seventy-seven million, one hundred five thousand, eight hundred twenty-one".