126134435256 has 32 divisors (see below), whose sum is σ = 320680771200. Its totient is φ = 41332187360.

The previous prime is 126134435249. The next prime is 126134435257. The reversal of 126134435256 is 652534431621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126134435257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44537580 + ... + 44540411.

It is an arithmetic number, because the mean of its divisors is an integer number (10021274100).

Almost surely, 2^126134435256 is an apocalyptic number.

It is an amenable number.

126134435256 is an abundant number, since it is smaller than the sum of its proper divisors (194546335944).

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

126134435256 is a wasteful number, since it uses less digits than its factorization.

126134435256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89078059 (or 89078055 counting only the distinct ones).

The product of its digits is 518400, while the sum is 42.

Adding to 126134435256 its reverse (652534431621), we get a palindrome (778668866877).

The spelling of 126134435256 in words is "one hundred twenty-six billion, one hundred thirty-four million, four hundred thirty-five thousand, two hundred fifty-six".