1311940094 has 8 divisors (see below), whose sum is σ = 1968870240. Its totient is φ = 655650016.

The previous prime is 1311940067. The next prime is 1311940121. The reversal of 1311940094 is 4900491131.

It is an interprime number because it is at equal distance from previous prime (1311940067) and next prime (1311940121).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1311940094.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154859 + ... + 163110.

It is an arithmetic number, because the mean of its divisors is an integer number (246108780).

Almost surely, 2^1311940094 is an apocalyptic number.

1311940094 is a deficient number, since it is larger than the sum of its proper divisors (656930146).

1311940094 is a wasteful number, since it uses less digits than its factorization.

1311940094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320034.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 1311940094 is about 36220.7136042348. The cubic root of 1311940094 is about 1094.7240727298.

The spelling of 1311940094 in words is "one billion, three hundred eleven million, nine hundred forty thousand, ninety-four".