126999175940 has 48 divisors (see below), whose sum is σ = 328244028672. Its totient is φ = 40193145216.

The previous prime is 126999175939. The next prime is 126999175943. The reversal of 126999175940 is 49571999621.

126999175940 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 2×126999175940² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126999175943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34888064 + ... + 34891703.

It is an arithmetic number, because the mean of its divisors is an integer number (6838417264).

Almost surely, 2^126999175940 is an apocalyptic number.

126999175940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126999175940 is an abundant number, since it is smaller than the sum of its proper divisors (201244852732).

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

126999175940 is a wasteful number, since it uses less digits than its factorization.

126999175940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69779796 (or 69779794 counting only the distinct ones).

The product of its (nonzero) digits is 11022480, while the sum is 62.

The spelling of 126999175940 in words is "one hundred twenty-six billion, nine hundred ninety-nine million, one hundred seventy-five thousand, nine hundred forty".