2140081770 has 16 divisors (see below), whose sum is σ = 5136196320. Its totient is φ = 570688464.

The previous prime is 2140081751. The next prime is 2140081837. The reversal of 2140081770 is 771800412.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 71336059 = 2140081770 / (2 + 1 + 4 + 0 + 0 + 8 + 1 + 7 + 7 + 0).

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 7 ways as a sum of consecutive naturals, for example, 35668000 + ... + 35668059.

It is an arithmetic number, because the mean of its divisors is an integer number (321012270).

Almost surely, 2^2140081770 is an apocalyptic number.

2140081770 is an abundant number, since it is smaller than the sum of its proper divisors (2996114550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2140081770 is a wasteful number, since it uses less digits than its factorization.

2140081770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71336069.

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 2140081770 is about 46261.0178227847. The cubic root of 2140081770 is about 1288.6751556703.

The spelling of 2140081770 in words is "two billion, one hundred forty million, eighty-one thousand, seven hundred seventy".