135263460361 has 4 divisors (see below), whose sum is σ = 139626797824. Its totient is φ = 130900122900.

The previous prime is 135263460347. The next prime is 135263460373. The reversal of 135263460361 is 163064362531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135263460361 - 2²⁵ = 135229905929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135263460301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2181668685 + ... + 2181668746.

It is an arithmetic number, because the mean of its divisors is an integer number (34906699456).

Almost surely, 2^135263460361 is an apocalyptic number.

It is an amenable number.

135263460361 is a deficient number, since it is larger than the sum of its proper divisors (4363337463).

135263460361 is an equidigital number, since it uses as much as digits as its factorization.

135263460361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4363337462.

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 135263460361 in words is "one hundred thirty-five billion, two hundred sixty-three million, four hundred sixty thousand, three hundred sixty-one".