1392313893 has 8 divisors (see below), whose sum is σ = 1856600256. Its totient is φ = 928118400.

The previous prime is 1392313891. The next prime is 1392313913. The reversal of 1392313893 is 3983132931.

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

It is not a de Polignac number, because 1392313893 - 2¹ = 1392313891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1392313891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31573 + ... + 61493.

It is an arithmetic number, because the mean of its divisors is an integer number (232075032).

Almost surely, 2^1392313893 is an apocalyptic number.

It is an amenable number.

1392313893 is a deficient number, since it is larger than the sum of its proper divisors (464286363).

1392313893 is a wasteful number, since it uses less digits than its factorization.

1392313893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45435.

The product of its digits is 104976, while the sum is 42.

The square root of 1392313893 is about 37313.7225829855. The cubic root of 1392313893 is about 1116.6379548668.

The spelling of 1392313893 in words is "one billion, three hundred ninety-two million, three hundred thirteen thousand, eight hundred ninety-three".