1374628686 has 8 divisors (see below), whose sum is σ = 2749257384. Its totient is φ = 458209560.

The previous prime is 1374628667. The next prime is 1374628709. The reversal of 1374628686 is 6868264731.

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

1374628686 is an admirable number.

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, 114552385 + ... + 114552396.

It is an arithmetic number, because the mean of its divisors is an integer number (343657173).

Almost surely, 2^1374628686 is an apocalyptic number.

1374628686 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1374628686 is a wasteful number, since it uses less digits than its factorization.

1374628686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229104786.

The product of its digits is 2322432, while the sum is 51.

The square root of 1374628686 is about 37075.9853004610. The cubic root of 1374628686 is about 1111.8899399163.

The spelling of 1374628686 in words is "one billion, three hundred seventy-four million, six hundred twenty-eight thousand, six hundred eighty-six".