113405535 has 32 divisors (see below), whose sum is σ = 202567680. Its totient is φ = 60195744.

The previous prime is 113405503. The next prime is 113405561. The reversal of 113405535 is 535504311.

It is not a de Polignac number, because 113405535 - 2⁵ = 113405503 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 113405499 and 113405508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28222 + ... + 31988.

It is an arithmetic number, because the mean of its divisors is an integer number (6330240).

Almost surely, 2^113405535 is an apocalyptic number.

113405535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

113405535 is a deficient number, since it is larger than the sum of its proper divisors (89162145).

113405535 is a wasteful number, since it uses less digits than its factorization.

113405535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4004 (or 3998 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 113405535 is about 10649.2034913415. The cubic root of 113405535 is about 484.0364687476.

Adding to 113405535 its reverse (535504311), we get a palindrome (648909846).

The spelling of 113405535 in words is "one hundred thirteen million, four hundred five thousand, five hundred thirty-five".