2140938369 has 48 divisors (see below), whose sum is σ = 3333657600. Its totient is φ = 1321286400.

The previous prime is 2140938353. The next prime is 2140938389. The reversal of 2140938369 is 9638390412.

It is a happy number.

It is not a de Polignac number, because 2140938369 - 2⁴ = 2140938353 is a prime.

It is a super-2 number, since 2×2140938369² = 9167234199712760322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2140938389) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 629664 + ... + 633054.

It is an arithmetic number, because the mean of its divisors is an integer number (69451200).

Almost surely, 2^2140938369 is an apocalyptic number.

2140938369 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2140938369 is a deficient number, since it is larger than the sum of its proper divisors (1192719231).

2140938369 is a wasteful number, since it uses less digits than its factorization.

2140938369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3526 (or 3523 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 2140938369 is about 46270.2752207073. The cubic root of 2140938369 is about 1288.8470697559.

The spelling of 2140938369 in words is "two billion, one hundred forty million, nine hundred thirty-eight thousand, three hundred sixty-nine".