132640697 has 6 divisors (see below), whose sum is σ = 154296378. Its totient is φ = 113691984.

The previous prime is 132640667. The next prime is 132640759. The reversal of 132640697 is 796046231.

It can be written as a sum of positive squares in only one way, i.e., 71503936 + 61136761 = 8456^2 + 7819^2 .

It is not a de Polignac number, because 132640697 - 2⁶ = 132640633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 132640697.

It is not an unprimeable number, because it can be changed into a prime (132640667) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1353428 + ... + 1353525.

It is an arithmetic number, because the mean of its divisors is an integer number (25716063).

Almost surely, 2^132640697 is an apocalyptic number.

It is an amenable number.

132640697 is a deficient number, since it is larger than the sum of its proper divisors (21655681).

132640697 is an equidigital number, since it uses as much as digits as its factorization.

132640697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706967 (or 2706960 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 132640697 is about 11516.9742988339. The cubic root of 132640697 is about 509.9867957622.

The spelling of 132640697 in words is "one hundred thirty-two million, six hundred forty thousand, six hundred ninety-seven".