1392540503 has 4 divisors (see below), whose sum is σ = 1402558920. Its totient is φ = 1382522088.

The previous prime is 1392540469. The next prime is 1392540517. The reversal of 1392540503 is 3050452931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1392540503 - 2²⁴ = 1375763287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1392540503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1392540563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5009000 + ... + 5009277.

It is an arithmetic number, because the mean of its divisors is an integer number (350639730).

Almost surely, 2^1392540503 is an apocalyptic number.

1392540503 is a deficient number, since it is larger than the sum of its proper divisors (10018417).

1392540503 is a wasteful number, since it uses less digits than its factorization.

1392540503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10018416.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 1392540503 is about 37316.7590098604. The cubic root of 1392540503 is about 1116.6985321072.

The spelling of 1392540503 in words is "one billion, three hundred ninety-two million, five hundred forty thousand, five hundred three".