134979157 has 8 divisors (see below), whose sum is σ = 141045696. Its totient is φ = 128929152.

The previous prime is 134979151. The next prime is 134979199. The reversal of 134979157 is 751979431.

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 134979157 - 2³ = 134979149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134979151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14373 + ... + 21829.

It is an arithmetic number, because the mean of its divisors is an integer number (17630712).

Almost surely, 2^134979157 is an apocalyptic number.

It is an amenable number.

134979157 is a deficient number, since it is larger than the sum of its proper divisors (6066539).

134979157 is an equidigital number, since it uses as much as digits as its factorization.

134979157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8267.

The product of its digits is 238140, while the sum is 46.

The square root of 134979157 is about 11618.0530640895. The cubic root of 134979157 is about 512.9663818822.

The spelling of 134979157 in words is "one hundred thirty-four million, nine hundred seventy-nine thousand, one hundred fifty-seven".