214003138 has 4 divisors (see below), whose sum is σ = 321004710. Its totient is φ = 107001568.

The previous prime is 214003091. The next prime is 214003169. The reversal of 214003138 is 831300412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 123810129 + 90193009 = 11127^2 + 9497^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 53500783 + ... + 53500786.

Almost surely, 2^214003138 is an apocalyptic number.

214003138 is a deficient number, since it is larger than the sum of its proper divisors (107001572).

214003138 is a wasteful number, since it uses less digits than its factorization.

214003138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107001571.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 214003138 is about 14628.8460925666. The cubic root of 214003138 is about 598.1453265884.

The spelling of 214003138 in words is "two hundred fourteen million, three thousand, one hundred thirty-eight".