134591379 has 8 divisors (see below), whose sum is σ = 193259472. Its totient is φ = 82825440.

The previous prime is 134591371. The next prime is 134591399. The reversal of 134591379 is 973195431.

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

It is not a de Polignac number, because 134591379 - 2³ = 134591371 is a prime.

It is a super-2 number, since 2×134591379² = 36229678602243282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 134591379.

It is not an unprimeable number, because it can be changed into a prime (134591371) 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, 1725492 + ... + 1725569.

It is an arithmetic number, because the mean of its divisors is an integer number (24157434).

Almost surely, 2^134591379 is an apocalyptic number.

134591379 is a deficient number, since it is larger than the sum of its proper divisors (58668093).

134591379 is a wasteful number, since it uses less digits than its factorization.

134591379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3451077.

The product of its digits is 102060, while the sum is 42.

The square root of 134591379 is about 11601.3524642604. The cubic root of 134591379 is about 512.4746815968.

The spelling of 134591379 in words is "one hundred thirty-four million, five hundred ninety-one thousand, three hundred seventy-nine".