2139136373 has 12 divisors (see below), whose sum is σ = 2364296844. Its totient is φ = 1933905600.

The previous prime is 2139136361. The next prime is 2139136381. The reversal of 2139136373 is 3736319312.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 819848689 + 1319287684 = 28633^2 + 36322^2 .

It is not a de Polignac number, because 2139136373 - 2¹⁶ = 2139070837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139136303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26936 + ... + 70737.

It is an arithmetic number, because the mean of its divisors is an integer number (197024737).

Almost surely, 2^2139136373 is an apocalyptic number.

It is an amenable number.

2139136373 is a deficient number, since it is larger than the sum of its proper divisors (225160471).

2139136373 is a wasteful number, since it uses less digits than its factorization.

2139136373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97876 (or 97865 counting only the distinct ones).

The product of its digits is 61236, while the sum is 38.

The square root of 2139136373 is about 46250.7986201320. The cubic root of 2139136373 is about 1288.4853671170.

The spelling of 2139136373 in words is "two billion, one hundred thirty-nine million, one hundred thirty-six thousand, three hundred seventy-three".