126969735942 has 24 divisors (see below), whose sum is σ = 314401251216. Its totient is φ = 36277067376.

The previous prime is 126969735931. The next prime is 126969736039. The reversal of 126969735942 is 249537969621.

126969735942 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×126969735942² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 126969735942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 503848033 + ... + 503848284.

It is an arithmetic number, because the mean of its divisors is an integer number (13100052134).

Almost surely, 2^126969735942 is an apocalyptic number.

126969735942 is an abundant number, since it is smaller than the sum of its proper divisors (187431515274).

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

126969735942 is a wasteful number, since it uses less digits than its factorization.

126969735942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007696332 (or 1007696329 counting only the distinct ones).

The product of its digits is 44089920, while the sum is 63.

The spelling of 126969735942 in words is "one hundred twenty-six billion, nine hundred sixty-nine million, seven hundred thirty-five thousand, nine hundred forty-two".