134157879 has 24 divisors (see below), whose sum is σ = 206585600. Its totient is φ = 83650320.

The previous prime is 134157869. The next prime is 134157883. The reversal of 134157879 is 978751431.

134157879 is a `hidden beast` number, since 1 + 3 + 4 + 1 + 578 + 79 = 666.

It is not a de Polignac number, because 134157879 - 2¹⁷ = 134026807 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 (134157869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8544 + ... + 18474.

Almost surely, 2^134157879 is an apocalyptic number.

134157879 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

134157879 is a deficient number, since it is larger than the sum of its proper divisors (72427721).

134157879 is a wasteful number, since it uses less digits than its factorization.

134157879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10035 (or 10032 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 134157879 is about 11582.6542294933. The cubic root of 134157879 is about 511.9238867468.

The spelling of 134157879 in words is "one hundred thirty-four million, one hundred fifty-seven thousand, eight hundred seventy-nine".