104135290 has 36 divisors (see below), whose sum is σ = 218520558. Its totient is φ = 35626080.

The previous prime is 104135287. The next prime is 104135323. The reversal of 104135290 is 92531401.

It can be written as a sum of positive squares in 3 ways, for example, as 66275881 + 37859409 = 8141^2 + 6153^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 225660 + ... + 226120.

Almost surely, 2^104135290 is an apocalyptic number.

104135290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

104135290 is an abundant number, since it is smaller than the sum of its proper divisors (114385268).

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

104135290 is an frugal number, since it uses more digits than its factorization.

104135290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 104135290 is about 10204.6700093634. The cubic root of 104135290 is about 470.4707671782.

Adding to 104135290 its reverse (92531401), we get a palindrome (196666691).

The spelling of 104135290 in words is "one hundred four million, one hundred thirty-five thousand, two hundred ninety".