118138341 has 4 divisors (see below), whose sum is σ = 157517792. Its totient is φ = 78758892.

The previous prime is 118138297. The next prime is 118138357. The reversal of 118138341 is 143831811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 118138341 - 2⁹ = 118137829 is a prime.

It is a super-2 number, since 2×118138341² = 27913335228464562, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 118138299 and 118138308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118138541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19689721 + ... + 19689726.

It is an arithmetic number, because the mean of its divisors is an integer number (39379448).

Almost surely, 2^118138341 is an apocalyptic number.

It is an amenable number.

118138341 is a deficient number, since it is larger than the sum of its proper divisors (39379451).

118138341 is an equidigital number, since it uses as much as digits as its factorization.

118138341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39379450.

The product of its digits is 2304, while the sum is 30.

The square root of 118138341 is about 10869.1462866225. The cubic root of 118138341 is about 490.6784174925.

The spelling of 118138341 in words is "one hundred eighteen million, one hundred thirty-eight thousand, three hundred forty-one".