102918813 has 8 divisors (see below), whose sum is σ = 143191488. Its totient is φ = 65629344.

The previous prime is 102918811. The next prime is 102918817. The reversal of 102918813 is 318819201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102918813 - 2¹ = 102918811 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 (102918811) 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 7 ways as a sum of consecutive naturals, for example, 745720 + ... + 745857.

It is an arithmetic number, because the mean of its divisors is an integer number (17898936).

Almost surely, 2^102918813 is an apocalyptic number.

It is an amenable number.

102918813 is a deficient number, since it is larger than the sum of its proper divisors (40272675).

102918813 is a wasteful number, since it uses less digits than its factorization.

102918813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491603.

The product of its (nonzero) digits is 3456, while the sum is 33.

The square root of 102918813 is about 10144.8909801929. The cubic root of 102918813 is about 468.6316212359.

It can be divided in two parts, 1029188 and 13, that added together give a palindrome (1029201).

The spelling of 102918813 in words is "one hundred two million, nine hundred eighteen thousand, eight hundred thirteen".