214121458 has 4 divisors (see below), whose sum is σ = 321182190. Its totient is φ = 107060728.

The previous prime is 214121449. The next prime is 214121459. The reversal of 214121458 is 854121412.

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., 200703889 + 13417569 = 14167^2 + 3663^2 .

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (214121459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53530363 + ... + 53530366.

Almost surely, 2^214121458 is an apocalyptic number.

214121458 is a deficient number, since it is larger than the sum of its proper divisors (107060732).

214121458 is a wasteful number, since it uses less digits than its factorization.

214121458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107060731.

The product of its digits is 2560, while the sum is 28.

The square root of 214121458 is about 14632.8895984354. The cubic root of 214121458 is about 598.2555422868.

The spelling of 214121458 in words is "two hundred fourteen million, one hundred twenty-one thousand, four hundred fifty-eight".