688275134 has 8 divisors (see below), whose sum is σ = 1032643920. Its totient is φ = 344060496.

The previous prime is 688275109. The next prime is 688275143. The reversal of 688275134 is 431572886.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26639 + ... + 45674.

It is an arithmetic number, because the mean of its divisors is an integer number (129080490).

Almost surely, 2^688275134 is an apocalyptic number.

688275134 is a deficient number, since it is larger than the sum of its proper divisors (344368786).

688275134 is a wasteful number, since it uses less digits than its factorization.

688275134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77074.

The product of its digits is 322560, while the sum is 44.

The square root of 688275134 is about 26234.9982656756. The cubic root of 688275134 is about 882.9186553751.

The spelling of 688275134 in words is "six hundred eighty-eight million, two hundred seventy-five thousand, one hundred thirty-four".