518135379 has 8 divisors (see below), whose sum is σ = 705546240. Its totient is φ = 338074056.

The previous prime is 518135363. The next prime is 518135389. The reversal of 518135379 is 973531815.

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

It is not a de Polignac number, because 518135379 - 2⁴ = 518135363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 518135379.

It is not an unprimeable number, because it can be changed into a prime (518135389) 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, 1837219 + ... + 1837500.

It is an arithmetic number, because the mean of its divisors is an integer number (88193280).

Almost surely, 2^518135379 is an apocalyptic number.

518135379 is a deficient number, since it is larger than the sum of its proper divisors (187410861).

518135379 is a wasteful number, since it uses less digits than its factorization.

518135379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3674769.

The product of its digits is 113400, while the sum is 42.

The square root of 518135379 is about 22762.5872650716. The cubic root of 518135379 is about 803.1828300932.

The spelling of 518135379 in words is "five hundred eighteen million, one hundred thirty-five thousand, three hundred seventy-nine".