134220904 has 32 divisors (see below), whose sum is σ = 259557480. Its totient is φ = 65021184.

The previous prime is 134220901. The next prime is 134220943. The reversal of 134220904 is 409022431.

It can be written as a sum of positive squares in 4 ways, for example, as 85192900 + 49028004 = 9230^2 + 7002^2 .

It is not an unprimeable number, because it can be changed into a prime (134220901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81174 + ... + 82810.

Almost surely, 2^134220904 is an apocalyptic number.

It is an amenable number.

134220904 is a deficient number, since it is larger than the sum of its proper divisors (125336576).

134220904 is a wasteful number, since it uses less digits than its factorization.

134220904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957 (or 1953 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 134220904 is about 11585.3745731418. The cubic root of 134220904 is about 512.0040384610.

The spelling of 134220904 in words is "one hundred thirty-four million, two hundred twenty thousand, nine hundred four".