2140140330 has 48 divisors (see below), whose sum is σ = 5593241160. Its totient is φ = 567742464.

The previous prime is 2140140323. The next prime is 2140140349. The reversal of 2140140330 is 330410412.

It can be written as a sum of positive squares in 4 ways, for example, as 1516089969 + 624050361 = 38937^2 + 24981^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44235 + ... + 78974.

Almost surely, 2^2140140330 is an apocalyptic number.

2140140330 is an abundant number, since it is smaller than the sum of its proper divisors (3453100830).

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

2140140330 is a wasteful number, since it uses less digits than its factorization.

2140140330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123415 (or 123412 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2140140330 is about 46261.6507487573. The cubic root of 2140140330 is about 1288.6869097584.

Adding to 2140140330 its reverse (330410412), we get a palindrome (2470550742).

The spelling of 2140140330 in words is "two billion, one hundred forty million, one hundred forty thousand, three hundred thirty".