2140531930 has 16 divisors (see below), whose sum is σ = 3853518624. Its totient is φ = 856088080.

The previous prime is 2140531919. The next prime is 2140531933. The reversal of 2140531930 is 391350412.

It is not an unprimeable number, because it can be changed into a prime (2140531933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91629 + ... + 112591.

It is an arithmetic number, because the mean of its divisors is an integer number (240844914).

Almost surely, 2^2140531930 is an apocalyptic number.

2140531930 is a deficient number, since it is larger than the sum of its proper divisors (1712986694).

2140531930 is a wasteful number, since it uses less digits than its factorization.

2140531930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31181.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 2140531930 is about 46265.8830024890. The cubic root of 2140531930 is about 1288.7655056975.

It can be divided in two parts, 21405 and 31930, that added together give a palindrome (53335).

The spelling of 2140531930 in words is "two billion, one hundred forty million, five hundred thirty-one thousand, nine hundred thirty".