126645934374 has 40 divisors (see below), whose sum is σ = 283812058200. Its totient is φ = 42210647424.

The previous prime is 126645934369. The next prime is 126645934391. The reversal of 126645934374 is 473439546621.

126645934374 is a `hidden beast` number, since 1 + 2 + 6 + 6 + 4 + 593 + 43 + 7 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 126645934374.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1626177 + ... + 1702275.

It is an arithmetic number, because the mean of its divisors is an integer number (7095301455).

Almost surely, 2^126645934374 is an apocalyptic number.

126645934374 is an abundant number, since it is smaller than the sum of its proper divisors (157166123826).

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

126645934374 is a wasteful number, since it uses less digits than its factorization.

126645934374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86386 (or 86377 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 54.

The spelling of 126645934374 in words is "one hundred twenty-six billion, six hundred forty-five million, nine hundred thirty-four thousand, three hundred seventy-four".