134685928 has 16 divisors (see below), whose sum is σ = 271962180. Its totient is φ = 62162688.

The previous prime is 134685923. The next prime is 134685961. The reversal of 134685928 is 829586431.

It can be written as a sum of positive squares in 2 ways, for example, as 134606404 + 79524 = 11602^2 + 282^2 .

It is not an unprimeable number, because it can be changed into a prime (134685923) 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, 647425 + ... + 647632.

Almost surely, 2^134685928 is an apocalyptic number.

It is an amenable number.

134685928 is an abundant number, since it is smaller than the sum of its proper divisors (137276252).

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

134685928 is a wasteful number, since it uses less digits than its factorization.

134685928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295076 (or 1295072 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 134685928 is about 11605.4266616958. The cubic root of 134685928 is about 512.5946561630.

The spelling of 134685928 in words is "one hundred thirty-four million, six hundred eighty-five thousand, nine hundred twenty-eight".