8128451294 has 8 divisors (see below), whose sum is σ = 12834396840. Its totient is φ = 3850319016.

The previous prime is 8128451251. The next prime is 8128451297. The reversal of 8128451294 is 4921548218.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8128451297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106953269 + ... + 106953344.

It is an arithmetic number, because the mean of its divisors is an integer number (1604299605).

Almost surely, 2^8128451294 is an apocalyptic number.

8128451294 is a deficient number, since it is larger than the sum of its proper divisors (4705945546).

8128451294 is a wasteful number, since it uses less digits than its factorization.

8128451294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213906634.

The product of its digits is 184320, while the sum is 44.

The square root of 8128451294 is about 90157.9241886147. The cubic root of 8128451294 is about 2010.6474893935.

The spelling of 8128451294 in words is "eight billion, one hundred twenty-eight million, four hundred fifty-one thousand, two hundred ninety-four".