2140132420 has 12 divisors (see below), whose sum is σ = 4494278124. Its totient is φ = 856052960.

The previous prime is 2140132409. The next prime is 2140132427. The reversal of 2140132420 is 242310412.

It can be written as a sum of positive squares in 2 ways, for example, as 438734916 + 1701397504 = 20946^2 + 41248^2 .

It is not an unprimeable number, because it can be changed into a prime (2140132427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53503291 + ... + 53503330.

It is an arithmetic number, because the mean of its divisors is an integer number (374523177).

Almost surely, 2^2140132420 is an apocalyptic number.

2140132420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140132420 is an abundant number, since it is smaller than the sum of its proper divisors (2354145704).

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

2140132420 is a wasteful number, since it uses less digits than its factorization.

2140132420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107006630 (or 107006628 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2140132420 is about 46261.5652567009. The cubic root of 2140132420 is about 1288.6853220859.

Adding to 2140132420 its reverse (242310412), we get a palindrome (2382442832).

The spelling of 2140132420 in words is "two billion, one hundred forty million, one hundred thirty-two thousand, four hundred twenty".