2142657112 has 16 divisors (see below), whose sum is σ = 4156016400. Its totient is φ = 1034386080.

The previous prime is 2142657107. The next prime is 2142657137. The reversal of 2142657112 is 2117562412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4617564 + ... + 4618027.

It is an arithmetic number, because the mean of its divisors is an integer number (259751025).

Almost surely, 2^2142657112 is an apocalyptic number.

It is an amenable number.

2142657112 is a deficient number, since it is larger than the sum of its proper divisors (2013359288).

2142657112 is a wasteful number, since it uses less digits than its factorization.

2142657112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9235626 (or 9235622 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 2142657112 is about 46288.8443580092. The cubic root of 2142657112 is about 1289.1918725130.

The spelling of 2142657112 in words is "two billion, one hundred forty-two million, six hundred fifty-seven thousand, one hundred twelve".