1390068903 has 24 divisors (see below), whose sum is σ = 1984055040. Its totient is φ = 865471360.

The previous prime is 1390068893. The next prime is 1390068949. The reversal of 1390068903 is 3098600931.

It is not a de Polignac number, because 1390068903 - 2¹² = 1390064807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390068973) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107458 + ... + 119696.

It is an arithmetic number, because the mean of its divisors is an integer number (82668960).

Almost surely, 2^1390068903 is an apocalyptic number.

1390068903 is a deficient number, since it is larger than the sum of its proper divisors (593986137).

1390068903 is a wasteful number, since it uses less digits than its factorization.

1390068903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12407 (or 12390 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 1390068903 is about 37283.6278143638. The cubic root of 1390068903 is about 1116.0374701580.

The spelling of 1390068903 in words is "one billion, three hundred ninety million, sixty-eight thousand, nine hundred three".