100415135 has 4 divisors (see below), whose sum is σ = 120498168. Its totient is φ = 80332104.

The previous prime is 100415101. The next prime is 100415137. The reversal of 100415135 is 531514001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 531514001 = 29 ⋅18328069.

It is a cyclic number.

It is not a de Polignac number, because 100415135 - 2¹² = 100411039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100415137) 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, 10041509 + ... + 10041518.

It is an arithmetic number, because the mean of its divisors is an integer number (30124542).

Almost surely, 2^100415135 is an apocalyptic number.

100415135 is a deficient number, since it is larger than the sum of its proper divisors (20083033).

100415135 is an equidigital number, since it uses as much as digits as its factorization.

100415135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20083032.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 100415135 is about 10020.7352524653. The cubic root of 100415135 is about 464.8002919347.

Adding to 100415135 its reverse (531514001), we get a palindrome (631929136).

The spelling of 100415135 in words is "one hundred million, four hundred fifteen thousand, one hundred thirty-five".