2139263452 has 12 divisors (see below), whose sum is σ = 3785775840. Its totient is φ = 1057613216.

The previous prime is 2139263449. The next prime is 2139263461. The reversal of 2139263452 is 2543629312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3004228 + ... + 3004939.

It is an arithmetic number, because the mean of its divisors is an integer number (315481320).

Almost surely, 2^2139263452 is an apocalyptic number.

It is an amenable number.

2139263452 is a deficient number, since it is larger than the sum of its proper divisors (1646512388).

2139263452 is a wasteful number, since it uses less digits than its factorization.

2139263452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6009260 (or 6009258 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

The square root of 2139263452 is about 46252.1724030342. The cubic root of 2139263452 is about 1288.5108814931.

The spelling of 2139263452 in words is "two billion, one hundred thirty-nine million, two hundred sixty-three thousand, four hundred fifty-two".