2127130740 has 384 divisors, whose sum is σ = 7918202880. Its totient is φ = 463947264.

The previous prime is 2127130711. The next prime is 2127130741. The reversal of 2127130740 is 470317212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2127130741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9370507 + ... + 9370733.

It is an arithmetic number, because the mean of its divisors is an integer number (20620320).

Almost surely, 2^2127130740 is an apocalyptic number.

2127130740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2127130740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3959101440).

2127130740 is an abundant number, since it is smaller than the sum of its proper divisors (5791072140).

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

2127130740 is a wasteful number, since it uses less digits than its factorization.

2127130740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 2127130740 is about 46120.8276161649. The cubic root of 2127130740 is about 1286.0703563000.

Adding to 2127130740 its reverse (470317212), we get a palindrome (2597447952).

The spelling of 2127130740 in words is "two billion, one hundred twenty-seven million, one hundred thirty thousand, seven hundred forty".