113400427 has 4 divisors (see below), whose sum is σ = 129600496. Its totient is φ = 97200360.

The previous prime is 113400407. The next prime is 113400433. The reversal of 113400427 is 724004311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724004311 = 137 ⋅5284703.

It is a cyclic number.

It is not a de Polignac number, because 113400427 - 2¹¹ = 113398379 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113400398 and 113400407.

It is not an unprimeable number, because it can be changed into a prime (113400407) 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, 8100024 + ... + 8100037.

It is an arithmetic number, because the mean of its divisors is an integer number (32400124).

Almost surely, 2^113400427 is an apocalyptic number.

113400427 is a deficient number, since it is larger than the sum of its proper divisors (16200069).

113400427 is an equidigital number, since it uses as much as digits as its factorization.

113400427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16200068.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 113400427 is about 10648.9636584975. The cubic root of 113400427 is about 484.0292013322.

Adding to 113400427 its reverse (724004311), we get a palindrome (837404738).

The spelling of 113400427 in words is "one hundred thirteen million, four hundred thousand, four hundred twenty-seven".