132115654421 has 2 divisors, whose sum is σ = 132115654422. Its totient is φ = 132115654420.

The previous prime is 132115654399. The next prime is 132115654457. The reversal of 132115654421 is 124456511231.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124280926225 + 7834728196 = 352535^2 + 88514^2 .

It is a cyclic number.

It is not a de Polignac number, because 132115654421 - 2¹⁴ = 132115638037 is a prime.

It is a super-2 number, since 2×132115654421² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132115654621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66057827210 + 66057827211.

It is an arithmetic number, because the mean of its divisors is an integer number (66057827211).

Almost surely, 2^132115654421 is an apocalyptic number.

It is an amenable number.

132115654421 is a deficient number, since it is larger than the sum of its proper divisors (1).

132115654421 is an equidigital number, since it uses as much as digits as its factorization.

132115654421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 35.

The spelling of 132115654421 in words is "one hundred thirty-two billion, one hundred fifteen million, six hundred fifty-four thousand, four hundred twenty-one".