104131335 has 64 divisors (see below), whose sum is σ = 210263040. Its totient is φ = 42746880.

The previous prime is 104131319. The next prime is 104131397. The reversal of 104131335 is 533131401.

104131335 = T₁₄₈₅ + T₁₄₈₆ + ... + T₁₅₇₃.

It is not a de Polignac number, because 104131335 - 2⁴ = 104131319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 102289 + ... + 103301.

It is an arithmetic number, because the mean of its divisors is an integer number (3285360).

Almost surely, 2^104131335 is an apocalyptic number.

104131335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

104131335 is an abundant number, since it is smaller than the sum of its proper divisors (106131705).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104131335 is a wasteful number, since it uses less digits than its factorization.

104131335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 104131335 is about 10204.4762236971. The cubic root of 104131335 is about 470.4648110307.

Adding to 104131335 its reverse (533131401), we get a palindrome (637262736).

The spelling of 104131335 in words is "one hundred four million, one hundred thirty-one thousand, three hundred thirty-five".