2130401234 has 16 divisors (see below), whose sum is σ = 3461317272. Its totient is φ = 977576448.

The previous prime is 2130401233. The next prime is 2130401237. The reversal of 2130401234 is 4321040312.

It can be written as a sum of positive squares in 4 ways, for example, as 2129545609 + 855625 = 46147^2 + 925^2 .

It is not an unprimeable number, because it can be changed into a prime (2130401233) 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, 232319 + ... + 241314.

Almost surely, 2^2130401234 is an apocalyptic number.

2130401234 is a deficient number, since it is larger than the sum of its proper divisors (1330916038).

2130401234 is a wasteful number, since it uses less digits than its factorization.

2130401234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473821.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2130401234 is about 46156.2697149586. The cubic root of 2130401234 is about 1286.7291359894.

Adding to 2130401234 its reverse (4321040312), we get a palindrome (6451441546).

The spelling of 2130401234 in words is "two billion, one hundred thirty million, four hundred one thousand, two hundred thirty-four".