42135077713 has 4 divisors (see below), whose sum is σ = 42139440640. Its totient is φ = 42130714788.

The previous prime is 42135077693. The next prime is 42135077717. The reversal of 42135077713 is 31777053124.

42135077713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-42135077713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42135077717) 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, 2166945 + ... + 2186302.

It is an arithmetic number, because the mean of its divisors is an integer number (10534860160).

Almost surely, 2^42135077713 is an apocalyptic number.

It is an amenable number.

42135077713 is a deficient number, since it is larger than the sum of its proper divisors (4362927).

42135077713 is an equidigital number, since it uses as much as digits as its factorization.

42135077713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4362926.

The product of its (nonzero) digits is 123480, while the sum is 40.

The spelling of 42135077713 in words is "forty-two billion, one hundred thirty-five million, seventy-seven thousand, seven hundred thirteen".