137218214 has 32 divisors (see below), whose sum is σ = 243720192. Its totient is φ = 56700000.

The previous prime is 137218139. The next prime is 137218217. The reversal of 137218214 is 412812731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137218217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182339 + ... + 183089.

It is an arithmetic number, because the mean of its divisors is an integer number (7616256).

Almost surely, 2^137218214 is an apocalyptic number.

137218214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

137218214 is a deficient number, since it is larger than the sum of its proper divisors (106501978).

137218214 is a wasteful number, since it uses less digits than its factorization.

137218214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212.

The product of its digits is 2688, while the sum is 29.

The square root of 137218214 is about 11714.0178418850. The cubic root of 137218214 is about 515.7872322520.

The spelling of 137218214 in words is "one hundred thirty-seven million, two hundred eighteen thousand, two hundred fourteen".