214138801 has 4 divisors (see below), whose sum is σ = 214168612. Its totient is φ = 214108992.

The previous prime is 214138787. The next prime is 214138807. The reversal of 214138801 is 108831412.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 83631025 + 130507776 = 9145^2 + 11424^2 .

It is a cyclic number.

It is not a de Polignac number, because 214138801 - 2⁹ = 214138289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 214138801.

It is not an unprimeable number, because it can be changed into a prime (214138807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3205 + ... + 20941.

It is an arithmetic number, because the mean of its divisors is an integer number (53542153).

Almost surely, 2^214138801 is an apocalyptic number.

It is an amenable number.

214138801 is a deficient number, since it is larger than the sum of its proper divisors (29811).

214138801 is a wasteful number, since it uses less digits than its factorization.

214138801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29810.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 214138801 is about 14633.4821898275. The cubic root of 214138801 is about 598.2716939698.

The spelling of 214138801 in words is "two hundred fourteen million, one hundred thirty-eight thousand, eight hundred one".