102113134042 has 4 divisors (see below), whose sum is σ = 153169701066. Its totient is φ = 51056567020.

The previous prime is 102113134001. The next prime is 102113134049. The reversal of 102113134042 is 240431311201.

102113134042 is digitally balanced in base 3, 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.

It can be written as a sum of positive squares in only one way, i.e., 69828591001 + 32284543041 = 264251^2 + 179679^2 .

It is not an unprimeable number, because it can be changed into a prime (102113134049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25528283509 + ... + 25528283512.

Almost surely, 2^102113134042 is an apocalyptic number.

102113134042 is a deficient number, since it is larger than the sum of its proper divisors (51056567024).

102113134042 is an equidigital number, since it uses as much as digits as its factorization.

102113134042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51056567023.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 102113134042 its reverse (240431311201), we get a palindrome (342544445243).

The spelling of 102113134042 in words is "one hundred two billion, one hundred thirteen million, one hundred thirty-four thousand, forty-two".