113435421 has 16 divisors (see below), whose sum is σ = 165250368. Its totient is φ = 68643200.

The previous prime is 113435401. The next prime is 113435437. The reversal of 113435421 is 124534311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 113435421 - 2¹³ = 113427229 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 113435391 and 113435400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113435401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22855 + ... + 27371.

It is an arithmetic number, because the mean of its divisors is an integer number (10328148).

Almost surely, 2^113435421 is an apocalyptic number.

113435421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113435421 is a deficient number, since it is larger than the sum of its proper divisors (51814947).

113435421 is a wasteful number, since it uses less digits than its factorization.

113435421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5292.

The product of its digits is 1440, while the sum is 24.

The square root of 113435421 is about 10650.6066024429. The cubic root of 113435421 is about 484.0789847305.

Adding to 113435421 its reverse (124534311), we get a palindrome (237969732).

It can be divided in two parts, 113 and 435421, that added together give a palindrome (435534).

The spelling of 113435421 in words is "one hundred thirteen million, four hundred thirty-five thousand, four hundred twenty-one".