135630286731777 has 4 divisors (see below), whose sum is σ = 180840382309040. Its totient is φ = 90420191154516.

The previous prime is 135630286731767. The next prime is 135630286731787. The reversal of 135630286731777 is 777137682036531.

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 an interprime number because it is at equal distance from previous prime (135630286731767) and next prime (135630286731787).

It is not a de Polignac number, because 135630286731777 - 2²⁴ = 135630269954561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135630286731767) 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, 22605047788627 + ... + 22605047788632.

It is an arithmetic number, because the mean of its divisors is an integer number (45210095577260).

Almost surely, 2^{135630286731777} is an apocalyptic number.

It is an amenable number.

135630286731777 is a deficient number, since it is larger than the sum of its proper divisors (45210095577263).

135630286731777 is an equidigital number, since it uses as much as digits as its factorization.

135630286731777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45210095577262.

The product of its (nonzero) digits is 186701760, while the sum is 66.

The spelling of 135630286731777 in words is "one hundred thirty-five trillion, six hundred thirty billion, two hundred eighty-six million, seven hundred thirty-one thousand, seven hundred seventy-seven".