134229979 has 8 divisors (see below), whose sum is σ = 147631680. Its totient is φ = 121267776.

The previous prime is 134229947. The next prime is 134229989. The reversal of 134229979 is 979922431.

It is a happy number.

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 134229979 - 2⁵ = 134229947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134229989) 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, 109234 + ... + 110455.

It is an arithmetic number, because the mean of its divisors is an integer number (18453960).

Almost surely, 2^134229979 is an apocalyptic number.

134229979 is a deficient number, since it is larger than the sum of its proper divisors (13401701).

134229979 is a wasteful number, since it uses less digits than its factorization.

134229979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219749.

The product of its digits is 244944, while the sum is 46.

The square root of 134229979 is about 11585.7662241217. The cubic root of 134229979 is about 512.0155774781.

The spelling of 134229979 in words is "one hundred thirty-four million, two hundred twenty-nine thousand, nine hundred seventy-nine".