2134210780 has 48 divisors (see below), whose sum is σ = 4929321600. Its totient is φ = 771245568.

The previous prime is 2134210759. The next prime is 2134210783. The reversal of 2134210780 is 870124312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134210783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75105 + ... + 99544.

It is an arithmetic number, because the mean of its divisors is an integer number (102694200).

Almost surely, 2^2134210780 is an apocalyptic number.

2134210780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2134210780 is an abundant number, since it is smaller than the sum of its proper divisors (2795110820).

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

2134210780 is a wasteful number, since it uses less digits than its factorization.

2134210780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174718 (or 174716 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 2134210780 is about 46197.5191974634. The cubic root of 2134210780 is about 1287.4956480828.

It can be divided in two parts, 21 and 34210780, that added together give a square (34210801 = 5849²).

The spelling of 2134210780 in words is "two billion, one hundred thirty-four million, two hundred ten thousand, seven hundred eighty".