8142635654 has 8 divisors (see below), whose sum is σ = 12241157400. Its totient is φ = 4062249856.

The previous prime is 8142635653. The next prime is 8142635659. The reversal of 8142635654 is 4565362418.

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 (8142635653) 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, 4532864 + ... + 4534659.

It is an arithmetic number, because the mean of its divisors is an integer number (1530144675).

Almost surely, 2^8142635654 is an apocalyptic number.

8142635654 is a deficient number, since it is larger than the sum of its proper divisors (4098521746).

8142635654 is a wasteful number, since it uses less digits than its factorization.

8142635654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9067974.

The product of its digits is 691200, while the sum is 44.

The square root of 8142635654 is about 90236.5538681526. The cubic root of 8142635654 is about 2011.8163539008.

The spelling of 8142635654 in words is "eight billion, one hundred forty-two million, six hundred thirty-five thousand, six hundred fifty-four".