2140252155 has 24 divisors (see below), whose sum is σ = 3710846880. Its totient is φ = 1141136640.

The previous prime is 2140252123. The next prime is 2140252157. The reversal of 2140252155 is 5512520412.

2140252155 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2140252155 - 2⁵ = 2140252123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2140252157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 296995 + ... + 304115.

It is an arithmetic number, because the mean of its divisors is an integer number (154618620).

Almost surely, 2^2140252155 is an apocalyptic number.

2140252155 is a deficient number, since it is larger than the sum of its proper divisors (1570594725).

2140252155 is a wasteful number, since it uses less digits than its factorization.

2140252155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13811 (or 13808 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 2140252155 is about 46262.8593474290. The cubic root of 2140252155 is about 1288.7093545333.

Adding to 2140252155 its reverse (5512520412), we get a palindrome (7652772567).

The spelling of 2140252155 in words is "two billion, one hundred forty million, two hundred fifty-two thousand, one hundred fifty-five".