2681155139 has 8 divisors (see below), whose sum is σ = 2887940832. Its totient is φ = 2474447040.

The previous prime is 2681155111. The next prime is 2681155159. The reversal of 2681155139 is 9315511862.

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

It is not a de Polignac number, because 2681155139 - 2²⁰ = 2680106563 is a prime.

It is a super-2 number, since 2×2681155139² = 14377185758772218642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2681155096 and 2681155105.

It is not an unprimeable number, because it can be changed into a prime (2681155159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66482 + ... + 98904.

It is an arithmetic number, because the mean of its divisors is an integer number (360992604).

Almost surely, 2^2681155139 is an apocalyptic number.

2681155139 is a deficient number, since it is larger than the sum of its proper divisors (206785693).

2681155139 is a wasteful number, since it uses less digits than its factorization.

2681155139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38797.

The product of its digits is 64800, while the sum is 41.

The square root of 2681155139 is about 51779.8719484705. The cubic root of 2681155139 is about 1389.2294504311.

The spelling of 2681155139 in words is "two billion, six hundred eighty-one million, one hundred fifty-five thousand, one hundred thirty-nine".