1390539754 has 16 divisors (see below), whose sum is σ = 2097324000. Its totient is φ = 691439184.

The previous prime is 1390539707. The next prime is 1390539767. The reversal of 1390539754 is 4579350931.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 777249 + ... + 779035.

It is an arithmetic number, because the mean of its divisors is an integer number (131082750).

Almost surely, 2^1390539754 is an apocalyptic number.

1390539754 is a deficient number, since it is larger than the sum of its proper divisors (706784246).

1390539754 is a wasteful number, since it uses less digits than its factorization.

1390539754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3717.

The product of its (nonzero) digits is 510300, while the sum is 46.

The square root of 1390539754 is about 37289.9417269590. The cubic root of 1390539754 is about 1116.1634658399.

The spelling of 1390539754 in words is "one billion, three hundred ninety million, five hundred thirty-nine thousand, seven hundred fifty-four".