132746921 has 2 divisors, whose sum is σ = 132746922. Its totient is φ = 132746920.

The previous prime is 132746909. The next prime is 132746953. The reversal of 132746921 is 129647231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131354521 + 1392400 = 11461^2 + 1180^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132746921 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (132746981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66373460 + 66373461.

It is an arithmetic number, because the mean of its divisors is an integer number (66373461).

Almost surely, 2^132746921 is an apocalyptic number.

It is an amenable number.

132746921 is a deficient number, since it is larger than the sum of its proper divisors (1).

132746921 is an equidigital number, since it uses as much as digits as its factorization.

132746921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 132746921 is about 11521.5850038092. The cubic root of 132746921 is about 510.1228987426.

The spelling of 132746921 in words is "one hundred thirty-two million, seven hundred forty-six thousand, nine hundred twenty-one".