134216837 has 2 divisors, whose sum is σ = 134216838. Its totient is φ = 134216836.

The previous prime is 134216827. The next prime is 134216861. The reversal of 134216837 is 738612431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100681156 + 33535681 = 10034^2 + 5791^2 .

It is a cyclic number.

It is not a de Polignac number, because 134216837 - 2¹⁰ = 134215813 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 134216797 and 134216806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134216807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67108418 + 67108419.

It is an arithmetic number, because the mean of its divisors is an integer number (67108419).

Almost surely, 2^134216837 is an apocalyptic number.

It is an amenable number.

134216837 is a deficient number, since it is larger than the sum of its proper divisors (1).

134216837 is an equidigital number, since it uses as much as digits as its factorization.

134216837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 134216837 is about 11585.1990487863. The cubic root of 134216837 is about 511.9988670324.

The spelling of 134216837 in words is "one hundred thirty-four million, two hundred sixteen thousand, eight hundred thirty-seven".