134868979 has 8 divisors (see below), whose sum is σ = 154936160. Its totient is φ = 115001856.

The previous prime is 134868961. The next prime is 134868997. The reversal of 134868979 is 979868431.

It is an interprime number because it is at equal distance from previous prime (134868961) and next prime (134868997).

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 134868979 - 2⁵ = 134868947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134868079) 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, 48564 + ... + 51265.

It is an arithmetic number, because the mean of its divisors is an integer number (19367020).

Almost surely, 2^134868979 is an apocalyptic number.

134868979 is a deficient number, since it is larger than the sum of its proper divisors (20067181).

134868979 is an equidigital number, since it uses as much as digits as its factorization.

134868979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100029.

The product of its digits is 2612736, while the sum is 55.

The square root of 134868979 is about 11613.3104238197. The cubic root of 134868979 is about 512.8267726864.

The spelling of 134868979 in words is "one hundred thirty-four million, eight hundred sixty-eight thousand, nine hundred seventy-nine".