1113140421 has 16 divisors (see below), whose sum is σ = 1649612800. Its totient is φ = 741861504.

The previous prime is 1113140377. The next prime is 1113140443. The reversal of 1113140421 is 1240413111.

It is not a de Polignac number, because 1113140421 - 2⁷ = 1113140293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113140394 and 1113140403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113140521) 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 15 ways as a sum of consecutive naturals, for example, 154620 + ... + 161658.

It is an arithmetic number, because the mean of its divisors is an integer number (103100800).

Almost surely, 2^1113140421 is an apocalyptic number.

It is an amenable number.

1113140421 is a deficient number, since it is larger than the sum of its proper divisors (536472379).

1113140421 is an equidigital number, since it uses as much as digits as its factorization.

1113140421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12905 (or 12899 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1113140421 is about 33363.7590957614. The cubic root of 1113140421 is about 1036.3743389288.

Adding to 1113140421 its reverse (1240413111), we get a palindrome (2353553532).

The spelling of 1113140421 in words is "one billion, one hundred thirteen million, one hundred forty thousand, four hundred twenty-one".