1940141215 has 4 divisors (see below), whose sum is σ = 2328169464. Its totient is φ = 1552112968.

The previous prime is 1940141141. The next prime is 1940141237. The reversal of 1940141215 is 5121410491.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1940141215 - 2⁷ = 1940141087 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 194014117 + ... + 194014126.

It is an arithmetic number, because the mean of its divisors is an integer number (582042366).

Almost surely, 2^1940141215 is an apocalyptic number.

1940141215 is a deficient number, since it is larger than the sum of its proper divisors (388028249).

1940141215 is an equidigital number, since it uses as much as digits as its factorization.

1940141215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388028248.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 1940141215 is about 44047.0341226285. The cubic root of 1940141215 is about 1247.2239653358.

The spelling of 1940141215 in words is "one billion, nine hundred forty million, one hundred forty-one thousand, two hundred fifteen".