1390652852 has 24 divisors (see below), whose sum is σ = 2514447936. Its totient is φ = 672553728.

The previous prime is 1390652843. The next prime is 1390652867. The reversal of 1390652852 is 2582560931.

It is a congruent 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, 21533 + ... + 56964.

It is an arithmetic number, because the mean of its divisors is an integer number (104768664).

Almost surely, 2^1390652852 is an apocalyptic number.

It is an amenable number.

1390652852 is a deficient number, since it is larger than the sum of its proper divisors (1123795084).

1390652852 is a wasteful number, since it uses less digits than its factorization.

1390652852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78647 (or 78645 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 1390652852 is about 37291.4581640354. The cubic root of 1390652852 is about 1116.1937256564.

The spelling of 1390652852 in words is "one billion, three hundred ninety million, six hundred fifty-two thousand, eight hundred fifty-two".