1113316542 has 128 divisors (see below), whose sum is σ = 2790789120. Its totient is φ = 326695680.

The previous prime is 1113316537. The next prime is 1113316543. The reversal of 1113316542 is 2456133111.

It is a happy number.

1113316542 is a `hidden beast` number, since 1 + 1 + 1 + 3 + 3 + 1 + 654 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113316543) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1352343 + ... + 1353165.

It is an arithmetic number, because the mean of its divisors is an integer number (21803040).

Almost surely, 2^1113316542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1113316542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1395394560).

1113316542 is an abundant number, since it is smaller than the sum of its proper divisors (1677472578).

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

1113316542 is a wasteful number, since it uses less digits than its factorization.

1113316542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935 (or 929 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 1113316542 is about 33366.3983971899. The cubic root of 1113316542 is about 1036.4289944049.

Adding to 1113316542 its reverse (2456133111), we get a palindrome (3569449653).

The spelling of 1113316542 in words is "one billion, one hundred thirteen million, three hundred sixteen thousand, five hundred forty-two".