132904961 has 4 divisors (see below), whose sum is σ = 151891392. Its totient is φ = 113918532.

The previous prime is 132904957. The next prime is 132904969. The reversal of 132904961 is 169409231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 132904961 - 2² = 132904957 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132904969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9493205 + ... + 9493218.

It is an arithmetic number, because the mean of its divisors is an integer number (37972848).

Almost surely, 2^132904961 is an apocalyptic number.

It is an amenable number.

132904961 is a deficient number, since it is larger than the sum of its proper divisors (18986431).

132904961 is an equidigital number, since it uses as much as digits as its factorization.

132904961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18986430.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 132904961 is about 11528.4413950889. The cubic root of 132904961 is about 510.3252583651.

The spelling of 132904961 in words is "one hundred thirty-two million, nine hundred four thousand, nine hundred sixty-one".