126939005392 has 20 divisors (see below), whose sum is σ = 245953186560. Its totient is φ = 63467215328.

The previous prime is 126939005357. The next prime is 126939005443. The reversal of 126939005392 is 293500939621.

It is a happy number.

It is a super-2 number, since 2×126939005392² (a number of 23 digits) contains 22 as substring.

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, 370833 + ... + 625615.

It is an arithmetic number, because the mean of its divisors is an integer number (12297659328).

Almost surely, 2^126939005392 is an apocalyptic number.

It is an amenable number.

126939005392 is a deficient number, since it is larger than the sum of its proper divisors (119014181168).

126939005392 is a wasteful number, since it uses less digits than its factorization.

126939005392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285930 (or 285924 counting only the distinct ones).

The product of its (nonzero) digits is 787320, while the sum is 49.

The spelling of 126939005392 in words is "one hundred twenty-six billion, nine hundred thirty-nine million, five thousand, three hundred ninety-two".