135263460373 has 2 divisors, whose sum is σ = 135263460374. Its totient is φ = 135263460372.

The previous prime is 135263460347. The next prime is 135263460377. The reversal of 135263460373 is 373064362531.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110102521489 + 25160938884 = 331817^2 + 158622^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135263460373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135263460377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67631730186 + 67631730187.

It is an arithmetic number, because the mean of its divisors is an integer number (67631730187).

Almost surely, 2^135263460373 is an apocalyptic number.

It is an amenable number.

135263460373 is a deficient number, since it is larger than the sum of its proper divisors (1).

135263460373 is an equidigital number, since it uses as much as digits as its factorization.

135263460373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 43.

The spelling of 135263460373 in words is "one hundred thirty-five billion, two hundred sixty-three million, four hundred sixty thousand, three hundred seventy-three".