135450425053 has 2 divisors, whose sum is σ = 135450425054. Its totient is φ = 135450425052.

The previous prime is 135450424997. The next prime is 135450425059. The reversal of 135450425053 is 350524054531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93233736964 + 42216688089 = 305342^2 + 205467^2 .

It is a cyclic number.

It is not a de Polignac number, because 135450425053 - 2¹⁷ = 135450293981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135450425059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67725212526 + 67725212527.

It is an arithmetic number, because the mean of its divisors is an integer number (67725212527).

Almost surely, 2^135450425053 is an apocalyptic number.

It is an amenable number.

135450425053 is a deficient number, since it is larger than the sum of its proper divisors (1).

135450425053 is an equidigital number, since it uses as much as digits as its factorization.

135450425053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180000, while the sum is 37.

Adding to 135450425053 its reverse (350524054531), we get a palindrome (485974479584).

The spelling of 135450425053 in words is "one hundred thirty-five billion, four hundred fifty million, four hundred twenty-five thousand, fifty-three".