1940113894 has 8 divisors (see below), whose sum is σ = 3036700080. Its totient is φ = 927880536.

The previous prime is 1940113843. The next prime is 1940113909. The reversal of 1940113894 is 4983110491.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21088149 + ... + 21088240.

It is an arithmetic number, because the mean of its divisors is an integer number (379587510).

Almost surely, 2^1940113894 is an apocalyptic number.

1940113894 is a deficient number, since it is larger than the sum of its proper divisors (1096586186).

1940113894 is a wasteful number, since it uses less digits than its factorization.

1940113894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42176414.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 1940113894 is about 44046.7239871480. The cubic root of 1940113894 is about 1247.2181108537.

The spelling of 1940113894 in words is "one billion, nine hundred forty million, one hundred thirteen thousand, eight hundred ninety-four".