103813005 has 32 divisors (see below), whose sum is σ = 170201088. Its totient is φ = 54017600.

The previous prime is 103813001. The next prime is 103813013. The reversal of 103813005 is 500318301.

It is a happy number.

It is not a de Polignac number, because 103813005 - 2² = 103813001 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103813001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113500 + ... + 114410.

It is an arithmetic number, because the mean of its divisors is an integer number (5318784).

Almost surely, 2^103813005 is an apocalyptic number.

103813005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103813005 is a deficient number, since it is larger than the sum of its proper divisors (66388083).

103813005 is a wasteful number, since it uses less digits than its factorization.

103813005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 103813005 is about 10188.8667181390. The cubic root of 103813005 is about 469.9849172767.

The spelling of 103813005 in words is "one hundred three million, eight hundred thirteen thousand, five".