113369421 has 16 divisors (see below), whose sum is σ = 165570048. Its totient is φ = 68430000.

The previous prime is 113369407. The next prime is 113369423. The reversal of 113369421 is 124963311.

It is a de Polignac number, because none of the positive numbers 2^k-113369421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113369423) 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, 1440 + ... + 15126.

It is an arithmetic number, because the mean of its divisors is an integer number (10348128).

Almost surely, 2^113369421 is an apocalyptic number.

113369421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113369421 is a deficient number, since it is larger than the sum of its proper divisors (52200627).

113369421 is a wasteful number, since it uses less digits than its factorization.

113369421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13952.

The product of its digits is 3888, while the sum is 30.

The square root of 113369421 is about 10647.5077365551. The cubic root of 113369421 is about 483.9850828110.

The spelling of 113369421 in words is "one hundred thirteen million, three hundred sixty-nine thousand, four hundred twenty-one".