135418177 has 2 divisors, whose sum is σ = 135418178. Its totient is φ = 135418176.

The previous prime is 135418133. The next prime is 135418201. The reversal of 135418177 is 771814531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75881521 + 59536656 = 8711^2 + 7716^2 .

It is a cyclic number.

It is not a de Polignac number, because 135418177 - 2²³ = 127029569 is a prime.

It is a super-3 number, since 3×135418177³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (135448177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67709088 + 67709089.

It is an arithmetic number, because the mean of its divisors is an integer number (67709089).

Almost surely, 2^135418177 is an apocalyptic number.

It is an amenable number.

135418177 is a deficient number, since it is larger than the sum of its proper divisors (1).

135418177 is an equidigital number, since it uses as much as digits as its factorization.

135418177 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23520, while the sum is 37.

The square root of 135418177 is about 11636.9315972897. The cubic root of 135418177 is about 513.5219214411.

The spelling of 135418177 in words is "one hundred thirty-five million, four hundred eighteen thousand, one hundred seventy-seven".