126242853139 has 24 divisors (see below), whose sum is σ = 141422277024. Its totient is φ = 112563360000.

The previous prime is 126242853133. The next prime is 126242853181. The reversal of 126242853139 is 931358242621.

It is a de Polignac number, because none of the positive numbers 2^k-126242853139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126242853133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 609634 + ... + 790024.

It is an arithmetic number, because the mean of its divisors is an integer number (5892594876).

Almost surely, 2^126242853139 is an apocalyptic number.

126242853139 is a deficient number, since it is larger than the sum of its proper divisors (15179423885).

126242853139 is a wasteful number, since it uses less digits than its factorization.

126242853139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180559 (or 180546 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

The spelling of 126242853139 in words is "one hundred twenty-six billion, two hundred forty-two million, eight hundred fifty-three thousand, one hundred thirty-nine".