132315991 has 2 divisors, whose sum is σ = 132315992. Its totient is φ = 132315990.

The previous prime is 132315983. The next prime is 132316001. The reversal of 132315991 is 199513231.

It is a weak prime.

It is an emirp because it is prime and its reverse (199513231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 132315991 - 2³ = 132315983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132315901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66157995 + 66157996.

It is an arithmetic number, because the mean of its divisors is an integer number (66157996).

Almost surely, 2^132315991 is an apocalyptic number.

132315991 is a deficient number, since it is larger than the sum of its proper divisors (1).

132315991 is an equidigital number, since it uses as much as digits as its factorization.

132315991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7290, while the sum is 34.

The square root of 132315991 is about 11502.8688160824. The cubic root of 132315991 is about 509.5703044763.

The spelling of 132315991 in words is "one hundred thirty-two million, three hundred fifteen thousand, nine hundred ninety-one".