1331894108 has 24 divisors (see below), whose sum is σ = 2369228400. Its totient is φ = 655060608.

The previous prime is 1331894093. The next prime is 1331894117. The reversal of 1331894108 is 8014981331.

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, 49616 + ... + 71592.

It is an arithmetic number, because the mean of its divisors is an integer number (98717850).

Almost surely, 2^1331894108 is an apocalyptic number.

It is an amenable number.

1331894108 is a deficient number, since it is larger than the sum of its proper divisors (1037334292).

1331894108 is a wasteful number, since it uses less digits than its factorization.

1331894108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22229 (or 22227 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 1331894108 is about 36495.1244414922. The cubic root of 1331894108 is about 1100.2462556108.

The spelling of 1331894108 in words is "one billion, three hundred thirty-one million, eight hundred ninety-four thousand, one hundred eight".