1392134844 has 24 divisors (see below), whose sum is σ = 3296798848. Its totient is φ = 457118640.

The previous prime is 1392134839. The next prime is 1392134873. The reversal of 1392134844 is 4484312931.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 864952 + ... + 866559.

Almost surely, 2^1392134844 is an apocalyptic number.

It is an amenable number.

1392134844 is an abundant number, since it is smaller than the sum of its proper divisors (1904664004).

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

1392134844 is a wasteful number, since it uses less digits than its factorization.

1392134844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731585 (or 1731583 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 1392134844 is about 37311.3232678767. The cubic root of 1392134844 is about 1116.5900869540.

The spelling of 1392134844 in words is "one billion, three hundred ninety-two million, one hundred thirty-four thousand, eight hundred forty-four".