1940350183 has 4 divisors (see below), whose sum is σ = 2007258840. Its totient is φ = 1873441528.

The previous prime is 1940350157. The next prime is 1940350187. The reversal of 1940350183 is 3810530491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3810530491 = 46441 ⋅82051.

It is not a de Polignac number, because 1940350183 - 2¹⁷ = 1940219111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940350187) by changing a digit.

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, 33454285 + ... + 33454342.

It is an arithmetic number, because the mean of its divisors is an integer number (501814710).

Almost surely, 2^1940350183 is an apocalyptic number.

1940350183 is a deficient number, since it is larger than the sum of its proper divisors (66908657).

1940350183 is an equidigital number, since it uses as much as digits as its factorization.

1940350183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66908656.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 1940350183 is about 44049.4061594478. The cubic root of 1940350183 is about 1247.2687422381.

The spelling of 1940350183 in words is "one billion, nine hundred forty million, three hundred fifty thousand, one hundred eighty-three".