688135190282 has 32 divisors (see below), whose sum is σ = 1063225118592. Its totient is φ = 333782714304.

The previous prime is 688135190269. The next prime is 688135190311. The reversal of 688135190282 is 282091531886.

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, 53657723 + ... + 53670545.

It is an arithmetic number, because the mean of its divisors is an integer number (33225784956).

Almost surely, 2^688135190282 is an apocalyptic number.

688135190282 is a deficient number, since it is larger than the sum of its proper divisors (375089928310).

688135190282 is a wasteful number, since it uses less digits than its factorization.

688135190282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14942.

The product of its (nonzero) digits is 1658880, while the sum is 53.

The spelling of 688135190282 in words is "six hundred eighty-eight billion, one hundred thirty-five million, one hundred ninety thousand, two hundred eighty-two".