113967381 has 16 divisors (see below), whose sum is σ = 168045120. Its totient is φ = 68123520.

The previous prime is 113967379. The next prime is 113967443. The reversal of 113967381 is 183769311.

It is not a de Polignac number, because 113967381 - 2¹ = 113967379 is a prime.

It is a super-2 number, since 2×113967381² = 25977127863998322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113967311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21246 + ... + 26063.

It is an arithmetic number, because the mean of its divisors is an integer number (10502820).

Almost surely, 2^113967381 is an apocalyptic number.

113967381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113967381 is a deficient number, since it is larger than the sum of its proper divisors (54077739).

113967381 is a wasteful number, since it uses less digits than its factorization.

113967381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47396.

The product of its digits is 27216, while the sum is 39.

The square root of 113967381 is about 10675.5506181180. The cubic root of 113967381 is about 484.8345076067.

The spelling of 113967381 in words is "one hundred thirteen million, nine hundred sixty-seven thousand, three hundred eighty-one".