100113135509 has 4 divisors (see below), whose sum is σ = 100115063040. Its totient is φ = 100111207980.

The previous prime is 100113135491. The next prime is 100113135527. The reversal of 100113135509 is 905531311001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (100113135491) and next prime (100113135527).

It is a cyclic number.

It is not a de Polignac number, because 100113135509 - 2²⁴ = 100096358293 is a prime.

It is a super-3 number, since 3×100113135509³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100113135539) 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, 883637 + ... + 990474.

It is an arithmetic number, because the mean of its divisors is an integer number (25028765760).

Almost surely, 2^100113135509 is an apocalyptic number.

It is an amenable number.

100113135509 is a deficient number, since it is larger than the sum of its proper divisors (1927531).

100113135509 is an equidigital number, since it uses as much as digits as its factorization.

100113135509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927530.

The product of its (nonzero) digits is 2025, while the sum is 29.

The spelling of 100113135509 in words is "one hundred billion, one hundred thirteen million, one hundred thirty-five thousand, five hundred nine".