104135181 has 8 divisors (see below), whose sum is σ = 146154720. Its totient is φ = 65769552.

The previous prime is 104135173. The next prime is 104135189. The reversal of 104135181 is 181531401.

It is an interprime number because it is at equal distance from previous prime (104135173) and next prime (104135189).

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

It is not a de Polignac number, because 104135181 - 2³ = 104135173 is a prime.

It is a super-2 number, since 2×104135181² = 21688271843805522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104135189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 913410 + ... + 913523.

It is an arithmetic number, because the mean of its divisors is an integer number (18269340).

Almost surely, 2^104135181 is an apocalyptic number.

It is an amenable number.

104135181 is a deficient number, since it is larger than the sum of its proper divisors (42019539).

104135181 is a wasteful number, since it uses less digits than its factorization.

104135181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826955.

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 104135181 is about 10204.6646686699. The cubic root of 104135181 is about 470.4706030285.

Adding to 104135181 its reverse (181531401), we get a palindrome (285666582).

The spelling of 104135181 in words is "one hundred four million, one hundred thirty-five thousand, one hundred eighty-one".