113142502 has 12 divisors (see below), whose sum is σ = 186545268. Its totient is φ = 51428300.

The previous prime is 113142461. The next prime is 113142509. The reversal of 113142502 is 205241311.

It is a self number, because there is not a number n which added to its sum of digits gives 113142502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113142509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 233524 + ... + 234007.

It is an arithmetic number, because the mean of its divisors is an integer number (15545439).

Almost surely, 2^113142502 is an apocalyptic number.

113142502 is a deficient number, since it is larger than the sum of its proper divisors (73402766).

113142502 is a wasteful number, since it uses less digits than its factorization.

113142502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467555 (or 467544 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 113142502 is about 10636.8464311562. The cubic root of 113142502 is about 483.6619540321.

Adding to 113142502 its reverse (205241311), we get a palindrome (318383813).

The spelling of 113142502 in words is "one hundred thirteen million, one hundred forty-two thousand, five hundred two".