2140204234 has 64 divisors (see below), whose sum is σ = 3977164800. Its totient is φ = 843530688.

The previous prime is 2140204189. The next prime is 2140204243. The reversal of 2140204234 is 4324020412.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3912349 + ... + 3912895.

It is an arithmetic number, because the mean of its divisors is an integer number (62143200).

Almost surely, 2^2140204234 is an apocalyptic number.

2140204234 is a deficient number, since it is larger than the sum of its proper divisors (1836960566).

2140204234 is a wasteful number, since it uses less digits than its factorization.

2140204234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2140204234 is about 46262.3414236677. The cubic root of 2140204234 is about 1288.6997362426.

Adding to 2140204234 its reverse (4324020412), we get a palindrome (6464224646).

The spelling of 2140204234 in words is "two billion, one hundred forty million, two hundred four thousand, two hundred thirty-four".