134818997 has 2 divisors, whose sum is σ = 134818998. Its totient is φ = 134818996.

The previous prime is 134818979. The next prime is 134819021. The reversal of 134818997 is 799818431.

Together with previous prime (134818979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134420836 + 398161 = 11594^2 + 631^2 .

It is a cyclic number.

It is not a de Polignac number, because 134818997 - 2¹⁶ = 134753461 is a prime.

It is a super-3 number, since 3×134818997³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134818097) 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, 67409498 + 67409499.

It is an arithmetic number, because the mean of its divisors is an integer number (67409499).

Almost surely, 2^134818997 is an apocalyptic number.

It is an amenable number.

134818997 is a deficient number, since it is larger than the sum of its proper divisors (1).

134818997 is an equidigital number, since it uses as much as digits as its factorization.

134818997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 50.

The square root of 134818997 is about 11611.1582970865. The cubic root of 134818997 is about 512.7634142206.

The spelling of 134818997 in words is "one hundred thirty-four million, eight hundred eighteen thousand, nine hundred ninety-seven".