103135009 has 4 divisors (see below), whose sum is σ = 104883120. Its totient is φ = 101386900.

The previous prime is 103135007. The next prime is 103135031. The reversal of 103135009 is 900531301.

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, and also an emirpimes, since its reverse is a distinct semiprime: 900531301 = 167 ⋅5392403.

It is a cyclic number.

It is not a de Polignac number, because 103135009 - 2¹ = 103135007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103135001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 873967 + ... + 874084.

It is an arithmetic number, because the mean of its divisors is an integer number (26220780).

Almost surely, 2^103135009 is an apocalyptic number.

It is an amenable number.

103135009 is a deficient number, since it is larger than the sum of its proper divisors (1748111).

103135009 is an equidigital number, since it uses as much as digits as its factorization.

103135009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748110.

The product of its (nonzero) digits is 405, while the sum is 22.

The square root of 103135009 is about 10155.5408029312. The cubic root of 103135009 is about 468.9595347906.

The spelling of 103135009 in words is "one hundred three million, one hundred thirty-five thousand, nine".