135497 has 2 divisors, whose sum is σ = 135498. Its totient is φ = 135496.

The previous prime is 135479. The next prime is 135511. The reversal of 135497 is 794531.

Together with previous prime (135479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118336 + 17161 = 344^2 + 131^2 .

It is an emirp because it is prime and its reverse (794531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135497 - 2⁶ = 135433 is a prime.

It is a d-powerful number, because it can be written as 1 + 3⁶ + 4⁷ + 5 + 9³ + 7⁶ .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 135497.

It is not a weakly prime, because it can be changed into another prime (135427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67748 + 67749.

It is an arithmetic number, because the mean of its divisors is an integer number (67749).

2¹³⁵⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

135497 is a deficient number, since it is larger than the sum of its proper divisors (1).

135497 is an equidigital number, since it uses as much as digits as its factorization.

135497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 29.

The square root of 135497 is about 368.0991714199. The cubic root of 135497 is about 51.3621537530.

The spelling of 135497 in words is "one hundred thirty-five thousand, four hundred ninety-seven".