2140234520 has 16 divisors (see below), whose sum is σ = 4815527760. Its totient is φ = 856093792.

The previous prime is 2140234501. The next prime is 2140234529. The reversal of 2140234520 is 254320412.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140234529) 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, 26752892 + ... + 26752971.

It is an arithmetic number, because the mean of its divisors is an integer number (300970485).

Almost surely, 2^2140234520 is an apocalyptic number.

2140234520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140234520 is an abundant number, since it is smaller than the sum of its proper divisors (2675293240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2140234520 is a wasteful number, since it uses less digits than its factorization.

2140234520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53505874 (or 53505870 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2140234520 is about 46262.6687513810. The cubic root of 2140234520 is about 1288.7058150046.

Adding to 2140234520 its reverse (254320412), we get a palindrome (2394554932).

The spelling of 2140234520 in words is "two billion, one hundred forty million, two hundred thirty-four thousand, five hundred twenty".