214102805 has 24 divisors (see below), whose sum is σ = 305835552. Its totient is φ = 143392032.

The previous prime is 214102793. The next prime is 214102829. The reversal of 214102805 is 508201412.

214102805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 214102805 - 2⁴ = 214102789 is a prime.

It is a super-2 number, since 2×214102805² = 91680022217736050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 374 + ... + 20696.

It is an arithmetic number, because the mean of its divisors is an integer number (12743148).

Almost surely, 2^214102805 is an apocalyptic number.

It is an amenable number.

214102805 is a deficient number, since it is larger than the sum of its proper divisors (91732747).

214102805 is a wasteful number, since it uses less digits than its factorization.

214102805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20385 (or 20378 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 214102805 is about 14632.2522189853. The cubic root of 214102805 is about 598.2381696162.

The spelling of 214102805 in words is "two hundred fourteen million, one hundred two thousand, eight hundred five".