126990108718 has 8 divisors (see below), whose sum is σ = 207801996120. Its totient is φ = 57722776680.

The previous prime is 126990108697. The next prime is 126990108769. The reversal of 126990108718 is 817801099621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×126990108718² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2886138813 + ... + 2886138856.

It is an arithmetic number, because the mean of its divisors is an integer number (25975249515).

Almost surely, 2^126990108718 is an apocalyptic number.

126990108718 is a deficient number, since it is larger than the sum of its proper divisors (80811887402).

126990108718 is a wasteful number, since it uses less digits than its factorization.

126990108718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5772277682.

The product of its (nonzero) digits is 435456, while the sum is 52.

The spelling of 126990108718 in words is "one hundred twenty-six billion, nine hundred ninety million, one hundred eight thousand, seven hundred eighteen".