100813065 has 16 divisors (see below), whose sum is σ = 161749248. Its totient is φ = 53617536.

The previous prime is 100813061. The next prime is 100813079. The reversal of 100813065 is 560318001.

It is not a de Polignac number, because 100813065 - 2² = 100813061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100813061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3652 + ... + 14661.

It is an arithmetic number, because the mean of its divisors is an integer number (10109328).

Almost surely, 2^100813065 is an apocalyptic number.

100813065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100813065 is a deficient number, since it is larger than the sum of its proper divisors (60936183).

100813065 is a wasteful number, since it uses less digits than its factorization.

100813065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18688.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 100813065 is about 10040.5709499012. The cubic root of 100813065 is about 465.4134604458.

The spelling of 100813065 in words is "one hundred million, eight hundred thirteen thousand, sixty-five".