2851510138 has 8 divisors (see below), whose sum is σ = 4415241600. Its totient is φ = 1379762940.

The previous prime is 2851510133. The next prime is 2851510157. The reversal of 2851510138 is 8310151582.

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

It is a super-2 number, since 2×2851510138² = 16262220134233558088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2851510133) 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, 22995988 + ... + 22996111.

It is an arithmetic number, because the mean of its divisors is an integer number (551905200).

Almost surely, 2^2851510138 is an apocalyptic number.

2851510138 is a deficient number, since it is larger than the sum of its proper divisors (1563731462).

2851510138 is a wasteful number, since it uses less digits than its factorization.

2851510138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45992132.

The product of its (nonzero) digits is 9600, while the sum is 34.

The square root of 2851510138 is about 53399.5331252999. The cubic root of 2851510138 is about 1418.0503127615.

The spelling of 2851510138 in words is "two billion, eight hundred fifty-one million, five hundred ten thousand, one hundred thirty-eight".