2130440234 has 8 divisors (see below), whose sum is σ = 3441480420. Its totient is φ = 983280096.

The previous prime is 2130440233. The next prime is 2130440267. The reversal of 2130440234 is 4320440312.

It can be written as a sum of positive squares in 2 ways, for example, as 1940138209 + 190302025 = 44047^2 + 13795^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2130440233) 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, 40969979 + ... + 40970030.

Almost surely, 2^2130440234 is an apocalyptic number.

2130440234 is a deficient number, since it is larger than the sum of its proper divisors (1311040186).

2130440234 is a wasteful number, since it uses less digits than its factorization.

2130440234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81940024.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2130440234 is about 46156.6921908405. The cubic root of 2130440234 is about 1286.7369877388.

Adding to 2130440234 its reverse (4320440312), we get a palindrome (6450880546).

The spelling of 2130440234 in words is "two billion, one hundred thirty million, four hundred forty thousand, two hundred thirty-four".