2138271039 has 24 divisors (see below), whose sum is σ = 3282764160. Its totient is φ = 1337364432.

The previous prime is 2138271017. The next prime is 2138271041. The reversal of 2138271039 is 9301728312.

It is not a de Polignac number, because 2138271039 - 2²⁹ = 1601400127 is a prime.

It is a super-2 number, since 2×2138271039² = 9144406072452279042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2138270994 and 2138271012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2138271059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43089 + ... + 78314.

It is an arithmetic number, because the mean of its divisors is an integer number (136781840).

Almost surely, 2^2138271039 is an apocalyptic number.

2138271039 is a deficient number, since it is larger than the sum of its proper divisors (1144493121).

2138271039 is a wasteful number, since it uses less digits than its factorization.

2138271039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121531 (or 121528 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 2138271039 is about 46241.4428732495. The cubic root of 2138271039 is about 1288.3116021982.

The spelling of 2138271039 in words is "two billion, one hundred thirty-eight million, two hundred seventy-one thousand, thirty-nine".