214139266 has 40 divisors (see below), whose sum is σ = 361782720. Its totient is φ = 95033400.

The previous prime is 214139231. The next prime is 214139267. The reversal of 214139266 is 662931412.

It is a happy number.

It is a super-3 number, since 3×214139266³ (a number of 26 digits) contains 333 as substring.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (214139267) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2078971 + ... + 2079073.

It is an arithmetic number, because the mean of its divisors is an integer number (9044568).

Almost surely, 2^214139266 is an apocalyptic number.

214139266 is a deficient number, since it is larger than the sum of its proper divisors (147643454).

214139266 is an equidigital number, since it uses as much as digits as its factorization.

214139266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 187 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 214139266 is about 14633.4980780400. The cubic root of 214139266 is about 598.2721270163.

The spelling of 214139266 in words is "two hundred fourteen million, one hundred thirty-nine thousand, two hundred sixty-six".