1392413445 has 48 divisors (see below), whose sum is σ = 2523456000. Its totient is φ = 708922368.

The previous prime is 1392413443. The next prime is 1392413467. The reversal of 1392413445 is 5443142931.

1392413445 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1392413445 - 2¹ = 1392413443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1392413443) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 695556 + ... + 697554.

It is an arithmetic number, because the mean of its divisors is an integer number (52572000).

Almost surely, 2^1392413445 is an apocalyptic number.

1392413445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1392413445 is a deficient number, since it is larger than the sum of its proper divisors (1131042555).

1392413445 is a wasteful number, since it uses less digits than its factorization.

1392413445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2706 (or 2703 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 1392413445 is about 37315.0565455822. The cubic root of 1392413445 is about 1116.6645678533.

The spelling of 1392413445 in words is "one billion, three hundred ninety-two million, four hundred thirteen thousand, four hundred forty-five".