134731928 has 32 divisors (see below), whose sum is σ = 258984000. Its totient is φ = 65688480.

The previous prime is 134731901. The next prime is 134731937. The reversal of 134731928 is 829137431.

It is a junction number, because it is equal to n+sod(n) for n = 134731891 and 134731900.

It is a congruent number.

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, 60743 + ... + 62921.

It is an arithmetic number, because the mean of its divisors is an integer number (8093250).

Almost surely, 2^134731928 is an apocalyptic number.

It is an amenable number.

134731928 is a deficient number, since it is larger than the sum of its proper divisors (124252072).

134731928 is a wasteful number, since it uses less digits than its factorization.

134731928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375 (or 2371 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 134731928 is about 11607.4083239972. The cubic root of 134731928 is about 512.6530059121.

The spelling of 134731928 in words is "one hundred thirty-four million, seven hundred thirty-one thousand, nine hundred twenty-eight".