118713381 has 16 divisors (see below), whose sum is σ = 161656320. Its totient is φ = 77469120.

The previous prime is 118713313. The next prime is 118713383. The reversal of 118713381 is 183317811.

It is not a de Polignac number, because 118713381 - 2²¹ = 116616229 is a prime.

It is a super-2 number, since 2×118713381² = 28185733656902322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118713383) 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 15 ways as a sum of consecutive naturals, for example, 39355 + ... + 42263.

It is an arithmetic number, because the mean of its divisors is an integer number (10103520).

Almost surely, 2^118713381 is an apocalyptic number.

It is an amenable number.

118713381 is a deficient number, since it is larger than the sum of its proper divisors (42942939).

118713381 is a wasteful number, since it uses less digits than its factorization.

118713381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3196.

The product of its digits is 4032, while the sum is 33.

The square root of 118713381 is about 10895.5670343493. The cubic root of 118713381 is about 491.4732572353.

The spelling of 118713381 in words is "one hundred eighteen million, seven hundred thirteen thousand, three hundred eighty-one".