126133477704 has 144 divisors (see below), whose sum is σ = 384581449980. Its totient is φ = 37122750720.

The previous prime is 126133477663. The next prime is 126133477709. The reversal of 126133477704 is 407774331621.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 125881620804 + 251856900 = 354798^2 + 15870^2 .

It is a super-2 number, since 2×126133477704² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126133477704.

It is not an unprimeable number, because it can be changed into a prime (126133477709) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 367774 + ... + 622514.

Almost surely, 2^126133477704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126133477704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192290724990).

126133477704 is an abundant number, since it is smaller than the sum of its proper divisors (258447972276).

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

126133477704 is a wasteful number, since it uses less digits than its factorization.

126133477704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254812 (or 254782 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The spelling of 126133477704 in words is "one hundred twenty-six billion, one hundred thirty-three million, four hundred seventy-seven thousand, seven hundred four".