214007642 has 16 divisors (see below), whose sum is σ = 328381512. Its totient is φ = 104569920.

The previous prime is 214007623. The next prime is 214007683. The reversal of 214007642 is 246700412.

It is a Cunningham number, because it is equal to 14629²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 100180081 + 113827561 = 10009^2 + 10669^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13568 + ... + 24740.

Almost surely, 2^214007642 is an apocalyptic number.

214007642 is a deficient number, since it is larger than the sum of its proper divisors (114373870).

214007642 is a wasteful number, since it uses less digits than its factorization.

214007642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11393.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 214007642 is about 14629.0000341787. Note that the first 4 decimals coincide. The cubic root of 214007642 is about 598.1495228316.

The spelling of 214007642 in words is "two hundred fourteen million, seven thousand, six hundred forty-two".