1390853900 has 36 divisors (see below), whose sum is σ = 3049289208. Its totient is φ = 550602240.

The previous prime is 1390853897. The next prime is 1390853909. The reversal of 1390853900 is 93580931.

It is a super-2 number, since 2×1390853900² = 3868949142290420000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1390853909) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 61994 + ... + 81393.

It is an arithmetic number, because the mean of its divisors is an integer number (84702478).

Almost surely, 2^1390853900 is an apocalyptic number.

1390853900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1390853900 is an abundant number, since it is smaller than the sum of its proper divisors (1658435308).

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

1390853900 is a wasteful number, since it uses less digits than its factorization.

1390853900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143498 (or 143491 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 1390853900 is about 37294.1536973290. The cubic root of 1390853900 is about 1116.2475127926.

The spelling of 1390853900 in words is "one billion, three hundred ninety million, eight hundred fifty-three thousand, nine hundred".