100404135 has 48 divisors (see below), whose sum is σ = 190663200. Its totient is φ = 48575232.

The previous prime is 100404107. The next prime is 100404137. The reversal of 100404135 is 531404001.

It is a happy number.

It is not a de Polignac number, because 100404135 - 2⁸ = 100403879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100404137) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33061 + ... + 35969.

It is an arithmetic number, because the mean of its divisors is an integer number (3972150).

Almost surely, 2^100404135 is an apocalyptic number.

100404135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100404135 is a deficient number, since it is larger than the sum of its proper divisors (90259065).

100404135 is a wasteful number, since it uses less digits than its factorization.

100404135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2992 (or 2989 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 100404135 is about 10020.1863755122. The cubic root of 100404135 is about 464.7833190952.

Adding to 100404135 its reverse (531404001), we get a palindrome (631808136).

The spelling of 100404135 in words is "one hundred million, four hundred four thousand, one hundred thirty-five".