2140215135 has 32 divisors (see below), whose sum is σ = 3507829248. Its totient is φ = 1113678720.

The previous prime is 2140215097. The next prime is 2140215137. The reversal of 2140215135 is 5315120412.

It is a happy number.

It is not a de Polignac number, because 2140215135 - 2¹⁴ = 2140198751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140215137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1149105 + ... + 1150965.

It is an arithmetic number, because the mean of its divisors is an integer number (109619664).

Almost surely, 2^2140215135 is an apocalyptic number.

2140215135 is a deficient number, since it is larger than the sum of its proper divisors (1367614113).

2140215135 is a wasteful number, since it uses less digits than its factorization.

2140215135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3695.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2140215135 is about 46262.4592407278. The cubic root of 2140215135 is about 1288.7019242102.

Adding to 2140215135 its reverse (5315120412), we get a palindrome (7455335547).

The spelling of 2140215135 in words is "two billion, one hundred forty million, two hundred fifteen thousand, one hundred thirty-five".