113405141 has 4 divisors (see below), whose sum is σ = 114771552. Its totient is φ = 112038732.

The previous prime is 113405119. The next prime is 113405143. The reversal of 113405141 is 141504311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 113405141 - 2¹⁰ = 113404117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113405143) 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, 683081 + ... + 683246.

It is an arithmetic number, because the mean of its divisors is an integer number (28692888).

Almost surely, 2^113405141 is an apocalyptic number.

It is an amenable number.

113405141 is a deficient number, since it is larger than the sum of its proper divisors (1366411).

113405141 is an equidigital number, since it uses as much as digits as its factorization.

113405141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366410.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 113405141 is about 10649.1849922893. The cubic root of 113405141 is about 484.0359081912.

Adding to 113405141 its reverse (141504311), we get a palindrome (254909452).

The spelling of 113405141 in words is "one hundred thirteen million, four hundred five thousand, one hundred forty-one".