2134340228437 has 2 divisors, whose sum is σ = 2134340228438. Its totient is φ = 2134340228436.

The previous prime is 2134340228411. The next prime is 2134340228441. The reversal of 2134340228437 is 7348220434312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1993331717316 + 141008511121 = 1411854^2 + 375511^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2134340228437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2134340228393 and 2134340228402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2134340228737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067170114218 + 1067170114219.

It is an arithmetic number, because the mean of its divisors is an integer number (1067170114219).

Almost surely, 2^{2134340228437} is an apocalyptic number.

It is an amenable number.

2134340228437 is a deficient number, since it is larger than the sum of its proper divisors (1).

2134340228437 is an equidigital number, since it uses as much as digits as its factorization.

2134340228437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 43.

The spelling of 2134340228437 in words is "two trillion, one hundred thirty-four billion, three hundred forty million, two hundred twenty-eight thousand, four hundred thirty-seven".