113140242 has 12 divisors (see below), whose sum is σ = 245137230. Its totient is φ = 37713408.

The previous prime is 113140241. The next prime is 113140259. The reversal of 113140242 is 242041311.

It can be written as a sum of positive squares in only one way, i.e., 98783721 + 14356521 = 9939^2 + 3789^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6285569 = 113140242 / (1 + 1 + 3 + 1 + 4 + 0 + 2 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (113140241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3142767 + ... + 3142802.

Almost surely, 2^113140242 is an apocalyptic number.

113140242 is an abundant number, since it is smaller than the sum of its proper divisors (131996988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113140242 is a wasteful number, since it uses less digits than its factorization.

113140242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6285577 (or 6285574 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 113140242 is about 10636.7401961315. The cubic root of 113140242 is about 483.6587336587.

Adding to 113140242 its reverse (242041311), we get a palindrome (355181553).

The spelling of 113140242 in words is "one hundred thirteen million, one hundred forty thousand, two hundred forty-two".