2143240134 has 16 divisors (see below), whose sum is σ = 4898834688. Its totient is φ = 612354312.

The previous prime is 2143240117. The next prime is 2143240241. The reversal of 2143240134 is 4310423412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25514722 + ... + 25514805.

It is an arithmetic number, because the mean of its divisors is an integer number (306177168).

Almost surely, 2^2143240134 is an apocalyptic number.

2143240134 is an abundant number, since it is smaller than the sum of its proper divisors (2755594554).

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

2143240134 is a wasteful number, since it uses less digits than its factorization.

2143240134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51029539.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2143240134 is about 46295.1415809478. The cubic root of 2143240134 is about 1289.3087926145.

Adding to 2143240134 its reverse (4310423412), we get a palindrome (6453663546).

The spelling of 2143240134 in words is "two billion, one hundred forty-three million, two hundred forty thousand, one hundred thirty-four".