2140372051 has 4 divisors (see below), whose sum is σ = 2154005152. Its totient is φ = 2126738952.

The previous prime is 2140372049. The next prime is 2140372067. The reversal of 2140372051 is 1502730412.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2140372051 - 2¹ = 2140372049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2140372951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6816315 + ... + 6816628.

It is an arithmetic number, because the mean of its divisors is an integer number (538501288).

Almost surely, 2^2140372051 is an apocalyptic number.

2140372051 is a deficient number, since it is larger than the sum of its proper divisors (13633101).

2140372051 is a wasteful number, since it uses less digits than its factorization.

2140372051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13633100.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 2140372051 is about 46264.1551419671. The cubic root of 2140372051 is about 1288.7334183975.

The spelling of 2140372051 in words is "two billion, one hundred forty million, three hundred seventy-two thousand, fifty-one".