134904720 has 40 divisors (see below), whose sum is σ = 418205376. Its totient is φ = 35974528.

The previous prime is 134904709. The next prime is 134904751. The reversal of 134904720 is 27409431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280812 + ... + 281291.

Almost surely, 2^134904720 is an apocalyptic number.

134904720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134904720 is an abundant number, since it is smaller than the sum of its proper divisors (283300656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134904720 is a wasteful number, since it uses less digits than its factorization.

134904720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562119 (or 562113 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 134904720 is about 11614.8491165404. The cubic root of 134904720 is about 512.8720692969.

The spelling of 134904720 in words is "one hundred thirty-four million, nine hundred four thousand, seven hundred twenty".