135642011324361 has 4 divisors (see below), whose sum is σ = 180856015099152. Its totient is φ = 90428007549572.

The previous prime is 135642011324341. The next prime is 135642011324447. The reversal of 135642011324361 is 163423110246531.

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 135642011324361 - 2⁷ = 135642011324233 is a prime.

It is a super-2 number, since 2×135642011324361² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135642011324341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22607001887391 + ... + 22607001887396.

It is an arithmetic number, because the mean of its divisors is an integer number (45214003774788).

Almost surely, 2^{135642011324361} is an apocalyptic number.

It is an amenable number.

135642011324361 is a deficient number, since it is larger than the sum of its proper divisors (45214003774791).

135642011324361 is an equidigital number, since it uses as much as digits as its factorization.

135642011324361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45214003774790.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 135642011324361 in words is "one hundred thirty-five trillion, six hundred forty-two billion, eleven million, three hundred twenty-four thousand, three hundred sixty-one".