2140142452 has 24 divisors (see below), whose sum is σ = 4281791360. Its totient is φ = 916881120.

The previous prime is 2140142449. The next prime is 2140142471. The reversal of 2140142452 is 2542410412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78577 + ... + 102247.

Almost surely, 2^2140142452 is an apocalyptic number.

It is an amenable number.

2140142452 is an abundant number, since it is smaller than the sum of its proper divisors (2141648908).

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

2140142452 is a wasteful number, since it uses less digits than its factorization.

2140142452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26911 (or 26909 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 2140142452 is about 46261.6736835147. The cubic root of 2140142452 is about 1288.6873356795.

Adding to 2140142452 its reverse (2542410412), we get a palindrome (4682552864).

The spelling of 2140142452 in words is "two billion, one hundred forty million, one hundred forty-two thousand, four hundred fifty-two".