2861138137 has 32 divisors (see below), whose sum is σ = 3459980160. Its totient is φ = 2331072000.

The previous prime is 2861138099. The next prime is 2861138141. The reversal of 2861138137 is 7318311682.

It is a cyclic number.

It is not a de Polignac number, because 2861138137 - 2²⁷ = 2726920409 is a prime.

It is a super-2 number, since 2×2861138137² = 16372222877991661538, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2861138137.

It is not an unprimeable number, because it can be changed into a prime (2861138177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1341562 + ... + 1343692.

It is an arithmetic number, because the mean of its divisors is an integer number (108124380).

Almost surely, 2^2861138137 is an apocalyptic number.

It is an amenable number.

2861138137 is a deficient number, since it is larger than the sum of its proper divisors (598842023).

2861138137 is a wasteful number, since it uses less digits than its factorization.

2861138137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425.

The product of its digits is 48384, while the sum is 40.

The square root of 2861138137 is about 53489.6077476738. The cubic root of 2861138137 is about 1419.6445147639.

The spelling of 2861138137 in words is "two billion, eight hundred sixty-one million, one hundred thirty-eight thousand, one hundred thirty-seven".