126719699496 has 128 divisors (see below), whose sum is σ = 356719749120. Its totient is φ = 37220223744.

The previous prime is 126719699479. The next prime is 126719699501. The reversal of 126719699496 is 694996917621.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a self number, because there is not a number n which added to its sum of digits gives 126719699496.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3591975 + ... + 3627081.

It is an arithmetic number, because the mean of its divisors is an integer number (2786873040).

Almost surely, 2^126719699496 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 126719699496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178359874560).

126719699496 is an abundant number, since it is smaller than the sum of its proper divisors (230000049624).

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

126719699496 is a wasteful number, since it uses less digits than its factorization.

126719699496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35655 (or 35651 counting only the distinct ones).

The product of its digits is 79361856, while the sum is 69.

The spelling of 126719699496 in words is "one hundred twenty-six billion, seven hundred nineteen million, six hundred ninety-nine thousand, four hundred ninety-six".