132775131421 has 2 divisors, whose sum is σ = 132775131422. Its totient is φ = 132775131420.

The previous prime is 132775131353. The next prime is 132775131431. The reversal of 132775131421 is 124131577231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104956560900 + 27818570521 = 323970^2 + 166789^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132775131421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132775131431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66387565710 + 66387565711.

It is an arithmetic number, because the mean of its divisors is an integer number (66387565711).

Almost surely, 2^132775131421 is an apocalyptic number.

It is an amenable number.

132775131421 is a deficient number, since it is larger than the sum of its proper divisors (1).

132775131421 is an equidigital number, since it uses as much as digits as its factorization.

132775131421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 37.

It can be divided in two parts, 132775 and 131421, that added together give a square (264196 = 514²).

The spelling of 132775131421 in words is "one hundred thirty-two billion, seven hundred seventy-five million, one hundred thirty-one thousand, four hundred twenty-one".