1319253990 has 16 divisors (see below), whose sum is σ = 3166209648. Its totient is φ = 351801056.

The previous prime is 1319253989. The next prime is 1319254019. The reversal of 1319253990 is 993529131.

1319253990 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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, 21987537 + ... + 21987596.

It is an arithmetic number, because the mean of its divisors is an integer number (197888103).

Almost surely, 2^1319253990 is an apocalyptic number.

1319253990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1319253990 is an abundant number, since it is smaller than the sum of its proper divisors (1846955658).

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

1319253990 is a wasteful number, since it uses less digits than its factorization.

1319253990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43975143.

The product of its (nonzero) digits is 65610, while the sum is 42.

The square root of 1319253990 is about 36321.5361734605. The cubic root of 1319253990 is about 1096.7546189914.

The spelling of 1319253990 in words is "one billion, three hundred nineteen million, two hundred fifty-three thousand, nine hundred ninety".