512883138 has 16 divisors (see below), whose sum is σ = 1029669696. Its totient is φ = 170310480.

The previous prime is 512883121. The next prime is 512883139. The reversal of 512883138 is 831388215.

It is a super-2 number, since 2×512883138² = 526098226489454088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 512883096 and 512883105.

It is not an unprimeable number, because it can be changed into a prime (512883139) 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, 160933 + ... + 164088.

It is an arithmetic number, because the mean of its divisors is an integer number (64354356).

Almost surely, 2^512883138 is an apocalyptic number.

512883138 is an abundant number, since it is smaller than the sum of its proper divisors (516786558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

512883138 is a wasteful number, since it uses less digits than its factorization.

512883138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325289.

The product of its digits is 46080, while the sum is 39.

The square root of 512883138 is about 22646.9233672038. The cubic root of 512883138 is about 800.4597034986.

The spelling of 512883138 in words is "five hundred twelve million, eight hundred eighty-three thousand, one hundred thirty-eight".