135754361381 has 2 divisors, whose sum is σ = 135754361382. Its totient is φ = 135754361380.

The previous prime is 135754361293. The next prime is 135754361387. The reversal of 135754361381 is 183163457531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135012888481 + 741472900 = 367441^2 + 27230^2 .

It is a cyclic number.

It is not a de Polignac number, because 135754361381 - 2¹⁴ = 135754344997 is a prime.

It is a super-2 number, since 2×135754361381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135754361387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67877180690 + 67877180691.

It is an arithmetic number, because the mean of its divisors is an integer number (67877180691).

Almost surely, 2^135754361381 is an apocalyptic number.

It is an amenable number.

135754361381 is a deficient number, since it is larger than the sum of its proper divisors (1).

135754361381 is an equidigital number, since it uses as much as digits as its factorization.

135754361381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 47.

The spelling of 135754361381 in words is "one hundred thirty-five billion, seven hundred fifty-four million, three hundred sixty-one thousand, three hundred eighty-one".