135677222443381 has 2 divisors, whose sum is σ = 135677222443382. Its totient is φ = 135677222443380.

The previous prime is 135677222443361. The next prime is 135677222443397. The reversal of 135677222443381 is 183344222776531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70090953297156 + 65586269146225 = 8372034^2 + 8098535^2 .

It is a cyclic number.

It is not a de Polignac number, because 135677222443381 - 2⁷ = 135677222443253 is a prime.

It is a super-2 number, since 2×135677222443381² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135677222443361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67838611221690 + 67838611221691.

It is an arithmetic number, because the mean of its divisors is an integer number (67838611221691).

Almost surely, 2^{135677222443381} is an apocalyptic number.

It is an amenable number.

135677222443381 is a deficient number, since it is larger than the sum of its proper divisors (1).

135677222443381 is an equidigital number, since it uses as much as digits as its factorization.

135677222443381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40642560, while the sum is 58.

The spelling of 135677222443381 in words is "one hundred thirty-five trillion, six hundred seventy-seven billion, two hundred twenty-two million, four hundred forty-three thousand, three hundred eighty-one".