113356789 has 32 divisors (see below), whose sum is σ = 144942336. Its totient is φ = 86261760.

The previous prime is 113356769. The next prime is 113356807. The reversal of 113356789 is 987653311.

It is not a de Polignac number, because 113356789 - 2¹³ = 113348597 is a prime.

It is a super-2 number, since 2×113356789² = 25699523224781042, which contains 22 as substring.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113356709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 440949 + ... + 441205.

It is an arithmetic number, because the mean of its divisors is an integer number (4529448).

Almost surely, 2^113356789 is an apocalyptic number.

113356789 is the 6734-th heptagonal number.

It is an amenable number.

113356789 is a deficient number, since it is larger than the sum of its proper divisors (31585547).

113356789 is a wasteful number, since it uses less digits than its factorization.

113356789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445.

The product of its digits is 136080, while the sum is 43.

The square root of 113356789 is about 10646.9145295715. The cubic root of 113356789 is about 483.9671063978.

The spelling of 113356789 in words is "one hundred thirteen million, three hundred fifty-six thousand, seven hundred eighty-nine".