113242420142 has 4 divisors (see below), whose sum is σ = 169863630216. Its totient is φ = 56621210070.

The previous prime is 113242420129. The next prime is 113242420157. The reversal of 113242420142 is 241024242311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241024242311 = 857 ⋅281241823.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28310605034 + ... + 28310605037.

It is an arithmetic number, because the mean of its divisors is an integer number (42465907554).

Almost surely, 2^113242420142 is an apocalyptic number.

113242420142 is a deficient number, since it is larger than the sum of its proper divisors (56621210074).

113242420142 is an equidigital number, since it uses as much as digits as its factorization.

113242420142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56621210073.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 113242420142 its reverse (241024242311), we get a palindrome (354266662453).

The spelling of 113242420142 in words is "one hundred thirteen billion, two hundred forty-two million, four hundred twenty thousand, one hundred forty-two".