135246024024121 has 2 divisors, whose sum is σ = 135246024024122. Its totient is φ = 135246024024120.

The previous prime is 135246024024109. The next prime is 135246024024191. The reversal of 135246024024121 is 121420420642531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134850620750400 + 395403273721 = 11612520^2 + 628811^2 .

It is a cyclic number.

It is not a de Polignac number, because 135246024024121 - 2¹⁹ = 135246023499833 is a prime.

It is a super-2 number, since 2×135246024024121² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (135246024024191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67623012012060 + 67623012012061.

It is an arithmetic number, because the mean of its divisors is an integer number (67623012012061).

Almost surely, 2^{135246024024121} is an apocalyptic number.

It is an amenable number.

135246024024121 is a deficient number, since it is larger than the sum of its proper divisors (1).

135246024024121 is an equidigital number, since it uses as much as digits as its factorization.

135246024024121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92160, while the sum is 37.

Adding to 135246024024121 its reverse (121420420642531), we get a palindrome (256666444666652).

The spelling of 135246024024121 in words is "one hundred thirty-five trillion, two hundred forty-six billion, twenty-four million, twenty-four thousand, one hundred twenty-one".