1935140979 has 16 divisors (see below), whose sum is σ = 2611002240. Its totient is φ = 1274730240.

The previous prime is 1935140947. The next prime is 1935140989. The reversal of 1935140979 is 9790415391.

It is not a de Polignac number, because 1935140979 - 2⁵ = 1935140947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1935140989) 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 15 ways as a sum of consecutive naturals, for example, 186724 + ... + 196814.

It is an arithmetic number, because the mean of its divisors is an integer number (163187640).

Almost surely, 2^1935140979 is an apocalyptic number.

1935140979 is a deficient number, since it is larger than the sum of its proper divisors (675861261).

1935140979 is a wasteful number, since it uses less digits than its factorization.

1935140979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10850.

The product of its (nonzero) digits is 306180, while the sum is 48.

The square root of 1935140979 is about 43990.2373146588. The cubic root of 1935140979 is about 1246.1515726985.

The spelling of 1935140979 in words is "one billion, nine hundred thirty-five million, one hundred forty thousand, nine hundred seventy-nine".