126651375140 has 12 divisors (see below), whose sum is σ = 265967887836. Its totient is φ = 50660550048.

The previous prime is 126651375139. The next prime is 126651375197. The reversal of 126651375140 is 41573156621.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 52470316096 + 74181059044 = 229064^2 + 272362^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3166284359 + ... + 3166284398.

It is an arithmetic number, because the mean of its divisors is an integer number (22163990653).

Almost surely, 2^126651375140 is an apocalyptic number.

126651375140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126651375140 is an abundant number, since it is smaller than the sum of its proper divisors (139316512696).

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

126651375140 is a wasteful number, since it uses less digits than its factorization.

126651375140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6332568766 (or 6332568764 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 126651375140 in words is "one hundred twenty-six billion, six hundred fifty-one million, three hundred seventy-five thousand, one hundred forty".