113261863 has 8 divisors (see below), whose sum is σ = 133063056. Its totient is φ = 95044800.

The previous prime is 113261851. The next prime is 113261893. The reversal of 113261863 is 368162311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113261863 is a prime.

It is a super-2 number, since 2×113261863² = 25656499220461538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113261833) 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 7 ways as a sum of consecutive naturals, for example, 395878 + ... + 396163.

It is an arithmetic number, because the mean of its divisors is an integer number (16632882).

Almost surely, 2^113261863 is an apocalyptic number.

113261863 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

113261863 is a deficient number, since it is larger than the sum of its proper divisors (19801193).

113261863 is a wasteful number, since it uses less digits than its factorization.

113261863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792065.

The product of its digits is 5184, while the sum is 31.

The square root of 113261863 is about 10642.4556846623. The cubic root of 113261863 is about 483.8319758608.

The spelling of 113261863 in words is "one hundred thirteen million, two hundred sixty-one thousand, eight hundred sixty-three".