1390045914 has 16 divisors (see below), whose sum is σ = 3088991040. Its totient is φ = 463348620.

The previous prime is 1390045889. The next prime is 1390045981. The reversal of 1390045914 is 4195400931.

It is a happy 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, 12870742 + ... + 12870849.

It is an arithmetic number, because the mean of its divisors is an integer number (193061940).

Almost surely, 2^1390045914 is an apocalyptic number.

1390045914 is an abundant number, since it is smaller than the sum of its proper divisors (1698945126).

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

1390045914 is a wasteful number, since it uses less digits than its factorization.

1390045914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25741602 (or 25741596 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 1390045914 is about 37283.3195142278. The cubic root of 1390045914 is about 1116.0313177707.

The spelling of 1390045914 in words is "one billion, three hundred ninety million, forty-five thousand, nine hundred fourteen".