1113140442 has 8 divisors (see below), whose sum is σ = 2226280896. Its totient is φ = 371046812.

The previous prime is 1113140377. The next prime is 1113140443. The reversal of 1113140442 is 2440413111.

It is a sphenic number, since it is the product of 3 distinct primes.

1113140442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1113140443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92761698 + ... + 92761709.

It is an arithmetic number, because the mean of its divisors is an integer number (278285112).

Almost surely, 2^1113140442 is an apocalyptic number.

1113140442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1113140442 is a wasteful number, since it uses less digits than its factorization.

1113140442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185523412.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1113140442 is about 33363.7594104741. The cubic root of 1113140442 is about 1036.3743454460.

Adding to 1113140442 its reverse (2440413111), we get a palindrome (3553553553).

The spelling of 1113140442 in words is "one billion, one hundred thirteen million, one hundred forty thousand, four hundred forty-two".