134371997 has 2 divisors, whose sum is σ = 134371998. Its totient is φ = 134371996.

The previous prime is 134371849. The next prime is 134372027. The reversal of 134371997 is 799173431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117635716 + 16736281 = 10846^2 + 4091^2 .

It is a cyclic number.

It is not a de Polignac number, because 134371997 - 2¹² = 134367901 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134370997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67185998 + 67185999.

It is an arithmetic number, because the mean of its divisors is an integer number (67185999).

Almost surely, 2^134371997 is an apocalyptic number.

It is an amenable number.

134371997 is a deficient number, since it is larger than the sum of its proper divisors (1).

134371997 is an equidigital number, since it uses as much as digits as its factorization.

134371997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 142884, while the sum is 44.

The square root of 134371997 is about 11591.8935899188. The cubic root of 134371997 is about 512.1960880692.

The spelling of 134371997 in words is "one hundred thirty-four million, three hundred seventy-one thousand, nine hundred ninety-seven".