868135340154 has 32 divisors (see below), whose sum is σ = 1747508592960. Its totient is φ = 287511252992.

The previous prime is 868135340143. The next prime is 868135340183. The reversal of 868135340154 is 451043531868.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123804 + ... + 1323479.

It is an arithmetic number, because the mean of its divisors is an integer number (54609643530).

Almost surely, 2^868135340154 is an apocalyptic number.

868135340154 is an abundant number, since it is smaller than the sum of its proper divisors (879373252806).

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

868135340154 is a wasteful number, since it uses less digits than its factorization.

868135340154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447934.

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 868135340154 in words is "eight hundred sixty-eight billion, one hundred thirty-five million, three hundred forty thousand, one hundred fifty-four".