135354453253 has 2 divisors, whose sum is σ = 135354453254. Its totient is φ = 135354453252.

The previous prime is 135354453239. The next prime is 135354453257. The reversal of 135354453253 is 352354453531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129656166084 + 5698287169 = 360078^2 + 75487^2 .

It is a cyclic number.

It is not a de Polignac number, because 135354453253 - 2²¹ = 135352356101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135354453257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67677226626 + 67677226627.

It is an arithmetic number, because the mean of its divisors is an integer number (67677226627).

Almost surely, 2^135354453253 is an apocalyptic number.

It is an amenable number.

135354453253 is a deficient number, since it is larger than the sum of its proper divisors (1).

135354453253 is an equidigital number, since it uses as much as digits as its factorization.

135354453253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620000, while the sum is 43.

The spelling of 135354453253 in words is "one hundred thirty-five billion, three hundred fifty-four million, four hundred fifty-three thousand, two hundred fifty-three".