518269138 has 16 divisors (see below), whose sum is σ = 799021440. Its totient is φ = 251939376.

The previous prime is 518269091. The next prime is 518269177. The reversal of 518269138 is 831962815.

It is a junction number, because it is equal to n+sod(n) for n = 518269094 and 518269103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174873 + ... + 177811.

It is an arithmetic number, because the mean of its divisors is an integer number (49938840).

Almost surely, 2^518269138 is an apocalyptic number.

518269138 is a deficient number, since it is larger than the sum of its proper divisors (280752302).

518269138 is a wasteful number, since it uses less digits than its factorization.

518269138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5361.

The product of its digits is 103680, while the sum is 43.

The square root of 518269138 is about 22765.5252080860. The cubic root of 518269138 is about 803.2519392443.

The spelling of 518269138 in words is "five hundred eighteen million, two hundred sixty-nine thousand, one hundred thirty-eight".