2134444157 has 2 divisors, whose sum is σ = 2134444158. Its totient is φ = 2134444156.

The previous prime is 2134444099. The next prime is 2134444159. The reversal of 2134444157 is 7514444312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1173816121 + 960628036 = 34261^2 + 30994^2 .

It is a cyclic number.

It is not a de Polignac number, because 2134444157 - 2¹⁸ = 2134182013 is a prime.

Together with 2134444159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2134444159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067222078 + 1067222079.

It is an arithmetic number, because the mean of its divisors is an integer number (1067222079).

Almost surely, 2^2134444157 is an apocalyptic number.

It is an amenable number.

2134444157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2134444157 is an equidigital number, since it uses as much as digits as its factorization.

2134444157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 35.

The square root of 2134444157 is about 46200.0449891556. The cubic root of 2134444157 is about 1287.5425758001.

Adding to 2134444157 its reverse (7514444312), we get a palindrome (9648888469).

The spelling of 2134444157 in words is "two billion, one hundred thirty-four million, four hundred forty-four thousand, one hundred fifty-seven".