2134210155 has 64 divisors (see below), whose sum is σ = 4276454400. Its totient is φ = 882961920.

The previous prime is 2134210153. The next prime is 2134210157. The reversal of 2134210155 is 5510124312.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2134210153) and next prime (2134210157).

It is not a de Polignac number, because 2134210155 - 2¹ = 2134210153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2134210151) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 260461 + ... + 268529.

It is an arithmetic number, because the mean of its divisors is an integer number (66819600).

Almost surely, 2^2134210155 is an apocalyptic number.

2134210155 is an abundant number, since it is smaller than the sum of its proper divisors (2142244245).

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

2134210155 is a wasteful number, since it uses less digits than its factorization.

2134210155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8324.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2134210155 is about 46197.5124330304. The cubic root of 2134210155 is about 1287.4955224025.

Adding to 2134210155 its reverse (5510124312), we get a palindrome (7644334467).

The spelling of 2134210155 in words is "two billion, one hundred thirty-four million, two hundred ten thousand, one hundred fifty-five".