126434346636 has 48 divisors (see below), whose sum is σ = 336395463264. Its totient is φ = 36614470656.

The previous prime is 126434346617. The next prime is 126434346637. The reversal of 126434346636 is 636643434621.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (126434346637) 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, 23834895 + ... + 23840198.

It is an arithmetic number, because the mean of its divisors is an integer number (7008238818).

Almost surely, 2^126434346636 is an apocalyptic number.

It is an amenable number.

126434346636 is an abundant number, since it is smaller than the sum of its proper divisors (209961116628).

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

126434346636 is a wasteful number, since it uses less digits than its factorization.

126434346636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47675130 (or 47675128 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 48.

The spelling of 126434346636 in words is "one hundred twenty-six billion, four hundred thirty-four million, three hundred forty-six thousand, six hundred thirty-six".