134992579 has 4 divisors (see below), whose sum is σ = 135016560. Its totient is φ = 134968600.

The previous prime is 134992577. The next prime is 134992607. The reversal of 134992579 is 975299431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134992579 - 2¹ = 134992577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134992577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1554 + ... + 16504.

It is an arithmetic number, because the mean of its divisors is an integer number (33754140).

Almost surely, 2^134992579 is an apocalyptic number.

134992579 is a deficient number, since it is larger than the sum of its proper divisors (23981).

134992579 is an equidigital number, since it uses as much as digits as its factorization.

134992579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23980.

The product of its digits is 612360, while the sum is 49.

The square root of 134992579 is about 11618.6306852400. The cubic root of 134992579 is about 512.9833840297.

The spelling of 134992579 in words is "one hundred thirty-four million, nine hundred ninety-two thousand, five hundred seventy-nine".