134143837 has 2 divisors, whose sum is σ = 134143838. Its totient is φ = 134143836.

The previous prime is 134143829. The next prime is 134143871. The reversal of 134143837 is 738341431.

It is an a-pointer prime, because the next prime (134143871) can be obtained adding 134143837 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110124036 + 24019801 = 10494^2 + 4901^2 .

It is an emirp because it is prime and its reverse (738341431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134143837 - 2³ = 134143829 is a prime.

It is a congruent number.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67071918 + 67071919.

It is an arithmetic number, because the mean of its divisors is an integer number (67071919).

Almost surely, 2^134143837 is an apocalyptic number.

It is an amenable number.

134143837 is a deficient number, since it is larger than the sum of its proper divisors (1).

134143837 is an equidigital number, since it uses as much as digits as its factorization.

134143837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 34.

The square root of 134143837 is about 11582.0480485966. The cubic root of 134143837 is about 511.9060254874.

The spelling of 134143837 in words is "one hundred thirty-four million, one hundred forty-three thousand, eight hundred thirty-seven".