1330891830 has 32 divisors (see below), whose sum is σ = 3549045600. Its totient is φ = 354904416.

The previous prime is 1330891817. The next prime is 1330891831. The reversal of 1330891830 is 381980331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330891831) 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 15 ways as a sum of consecutive naturals, for example, 2464345 + ... + 2464884.

It is an arithmetic number, because the mean of its divisors is an integer number (110907675).

Almost surely, 2^1330891830 is an apocalyptic number.

1330891830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1330891830 is an abundant number, since it is smaller than the sum of its proper divisors (2218153770).

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

1330891830 is a wasteful number, since it uses less digits than its factorization.

1330891830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4929245 (or 4929239 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 1330891830 is about 36481.3901873270. The cubic root of 1330891830 is about 1099.9702002946.

The spelling of 1330891830 in words is "one billion, three hundred thirty million, eight hundred ninety-one thousand, eight hundred thirty".