135755497 has 2 divisors, whose sum is σ = 135755498. Its totient is φ = 135755496.

The previous prime is 135755483. The next prime is 135755531. The reversal of 135755497 is 794557531.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127712601 + 8042896 = 11301^2 + 2836^2 .

It is an emirp because it is prime and its reverse (794557531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135755497 - 2⁷ = 135755369 is a prime.

It is not a weakly prime, because it can be changed into another prime (135755297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67877748 + 67877749.

It is an arithmetic number, because the mean of its divisors is an integer number (67877749).

Almost surely, 2^135755497 is an apocalyptic number.

It is an amenable number.

135755497 is a deficient number, since it is larger than the sum of its proper divisors (1).

135755497 is an equidigital number, since it uses as much as digits as its factorization.

135755497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 661500, while the sum is 46.

The square root of 135755497 is about 11651.4160941922. The cubic root of 135755497 is about 513.9479538211.

The spelling of 135755497 in words is "one hundred thirty-five million, seven hundred fifty-five thousand, four hundred ninety-seven".