2144131007 has 4 divisors (see below), whose sum is σ = 2153333520. Its totient is φ = 2134928496.

The previous prime is 2144130983. The next prime is 2144131013. The reversal of 2144131007 is 7001314412.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2144131007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144131097) 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, 4600907 + ... + 4601372.

It is an arithmetic number, because the mean of its divisors is an integer number (538333380).

Almost surely, 2^2144131007 is an apocalyptic number.

2144131007 is a deficient number, since it is larger than the sum of its proper divisors (9202513).

2144131007 is an equidigital number, since it uses as much as digits as its factorization.

2144131007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9202512.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2144131007 is about 46304.7622496866. The cubic root of 2144131007 is about 1289.4874086679.

Adding to 2144131007 its reverse (7001314412), we get a palindrome (9145445419).

The spelling of 2144131007 in words is "two billion, one hundred forty-four million, one hundred thirty-one thousand, seven".