1392368742 has 12 divisors (see below), whose sum is σ = 3016798980. Its totient is φ = 464122908.

The previous prime is 1392368713. The next prime is 1392368743. The reversal of 1392368742 is 2478632931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1392368743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38676892 + ... + 38676927.

It is an arithmetic number, because the mean of its divisors is an integer number (251399915).

Almost surely, 2^1392368742 is an apocalyptic number.

1392368742 is an abundant number, since it is smaller than the sum of its proper divisors (1624430238).

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

1392368742 is a wasteful number, since it uses less digits than its factorization.

1392368742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77353827 (or 77353824 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 1392368742 is about 37314.4575466400. The cubic root of 1392368742 is about 1116.6526176693.

The spelling of 1392368742 in words is "one billion, three hundred ninety-two million, three hundred sixty-eight thousand, seven hundred forty-two".