132904321 has 4 divisors (see below), whose sum is σ = 144986544. Its totient is φ = 120822100.

The previous prime is 132904273. The next prime is 132904363. The reversal of 132904321 is 123409231.

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 a cyclic number.

It is not a de Polignac number, because 132904321 - 2⁷ = 132904193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132904021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6041095 + ... + 6041116.

It is an arithmetic number, because the mean of its divisors is an integer number (36246636).

Almost surely, 2^132904321 is an apocalyptic number.

132904321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

132904321 is a deficient number, since it is larger than the sum of its proper divisors (12082223).

132904321 is a wasteful number, since it uses less digits than its factorization.

132904321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12082222.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 132904321 is about 11528.4136376173. The cubic root of 132904321 is about 510.3244392116.

It can be divided in two parts, 132904 and 321, that added together give a square (133225 = 365²).

The spelling of 132904321 in words is "one hundred thirty-two million, nine hundred four thousand, three hundred twenty-one".