102134240042 has 16 divisors (see below), whose sum is σ = 165623094240. Its totient is φ = 47071825488.

The previous prime is 102134240027. The next prime is 102134240051. The reversal of 102134240042 is 240042431201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36319448 + ... + 36322259.

It is an arithmetic number, because the mean of its divisors is an integer number (10351443390).

Almost surely, 2^102134240042 is an apocalyptic number.

102134240042 is a deficient number, since it is larger than the sum of its proper divisors (63488854198).

102134240042 is a wasteful number, since it uses less digits than its factorization.

102134240042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72641765.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 102134240042 its reverse (240042431201), we get a palindrome (342176671243).

The spelling of 102134240042 in words is "one hundred two billion, one hundred thirty-four million, two hundred forty thousand, forty-two".