132690961 has 4 divisors (see below), whose sum is σ = 142897972. Its totient is φ = 122483952.

The previous prime is 132690923. The next prime is 132690973. The reversal of 132690961 is 169096231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19140625 + 113550336 = 4375^2 + 10656^2 .

It is a cyclic number.

It is not a de Polignac number, because 132690961 - 2⁹ = 132690449 is a prime.

It is a super-2 number, since 2×132690961² = 35213782262207042, which contains 22 as substring.

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 132690961.

It is not an unprimeable number, because it can be changed into a prime (132690161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5103486 + ... + 5103511.

It is an arithmetic number, because the mean of its divisors is an integer number (35724493).

Almost surely, 2^132690961 is an apocalyptic number.

It is an amenable number.

132690961 is a deficient number, since it is larger than the sum of its proper divisors (10207011).

132690961 is a wasteful number, since it uses less digits than its factorization.

132690961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10207010.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 132690961 is about 11519.1562625046. The cubic root of 132690961 is about 510.0512072125.

The spelling of 132690961 in words is "one hundred thirty-two million, six hundred ninety thousand, nine hundred sixty-one".