134690928 has 80 divisors (see below), whose sum is σ = 357122976. Its totient is φ = 43729920.

The previous prime is 134690917. The next prime is 134690947. The reversal of 134690928 is 829096431.

It is a self number, because there is not a number n which added to its sum of digits gives 134690928.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 459550 + ... + 459842.

Almost surely, 2^134690928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134690928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178561488).

134690928 is an abundant number, since it is smaller than the sum of its proper divisors (222432048).

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

134690928 is a wasteful number, since it uses less digits than its factorization.

134690928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 134690928 is about 11605.6420761628. The cubic root of 134690928 is about 512.6009991706.

The spelling of 134690928 in words is "one hundred thirty-four million, six hundred ninety thousand, nine hundred twenty-eight".