134928929 has 8 divisors (see below), whose sum is σ = 137592000. Its totient is φ = 132278512.

The previous prime is 134928923. The next prime is 134928931. The reversal of 134928929 is 929829431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134928929 - 2²⁰ = 133880353 is a prime.

It is a super-4 number, since 4×134928929⁴ (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134928923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20012 + ... + 25890.

It is an arithmetic number, because the mean of its divisors is an integer number (17199000).

Almost surely, 2^134928929 is an apocalyptic number.

It is an amenable number.

134928929 is a deficient number, since it is larger than the sum of its proper divisors (2663071).

134928929 is an equidigital number, since it uses as much as digits as its factorization.

134928929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6327.

The product of its digits is 279936, while the sum is 47.

The square root of 134928929 is about 11615.8912271078. The cubic root of 134928929 is about 512.9027462006.

The spelling of 134928929 in words is "one hundred thirty-four million, nine hundred twenty-eight thousand, nine hundred twenty-nine".