134551904 has 24 divisors (see below), whose sum is σ = 273446208. Its totient is φ = 65105280.

The previous prime is 134551903. The next prime is 134551913. The reversal of 134551904 is 409155431.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134551903) 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, 66827 + ... + 68810.

It is an arithmetic number, because the mean of its divisors is an integer number (11393592).

Almost surely, 2^134551904 is an apocalyptic number.

It is an amenable number.

134551904 is an abundant number, since it is smaller than the sum of its proper divisors (138894304).

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

134551904 is a wasteful number, since it uses less digits than its factorization.

134551904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135678 (or 135670 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 134551904 is about 11599.6510292336. The cubic root of 134551904 is about 512.4245745832.

The spelling of 134551904 in words is "one hundred thirty-four million, five hundred fifty-one thousand, nine hundred four".