126133235776 has 14 divisors (see below), whose sum is σ = 250295639870. Its totient is φ = 63066617856.

The previous prime is 126133235699. The next prime is 126133235849. The reversal of 126133235776 is 677532331621.

It can be written as a sum of positive squares in only one way, i.e., 124767194176 + 1366041600 = 353224^2 + 36960^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 985415841 + ... + 985415968.

Almost surely, 2^126133235776 is an apocalyptic number.

126133235776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

126133235776 is a deficient number, since it is larger than the sum of its proper divisors (124162404094).

126133235776 is an equidigital number, since it uses as much as digits as its factorization.

126133235776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970831821 (or 1970831811 counting only the distinct ones).

The product of its digits is 952560, while the sum is 46.

The spelling of 126133235776 in words is "one hundred twenty-six billion, one hundred thirty-three million, two hundred thirty-five thousand, seven hundred seventy-six".