134304921 has 9 divisors (see below), whose sum is σ = 194046229. Its totient is φ = 89513436.

The previous prime is 134304881. The next prime is 134304923. The reversal of 134304921 is 129403431.

The square root of 134304921 is 11589.

It is a perfect power (a square), and thus also a powerful number.

It is a tau number, because it is divible by the number of its divisors (9).

It is a de Polignac number, because none of the positive numbers 2^k-134304921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134304923) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 32836 + ... + 36698.

Almost surely, 2^134304921 is an apocalyptic number.

134304921 is the 11589-th square number.

134304921 is the 5795-th centered octagonal number.

It is an amenable number.

134304921 is a deficient number, since it is larger than the sum of its proper divisors (59741308).

134304921 is an frugal number, since it uses more digits than its factorization.

134304921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7732 (or 3866 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The cubic root of 134304921 is about 512.1108476327.

The spelling of 134304921 in words is "one hundred thirty-four million, three hundred four thousand, nine hundred twenty-one".