137676218 has 4 divisors (see below), whose sum is σ = 206514330. Its totient is φ = 68838108.

The previous prime is 137676197. The next prime is 137676257. The reversal of 137676218 is 812676731.

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., 137288089 + 388129 = 11717^2 + 623^2 .

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, 34419053 + ... + 34419056.

Almost surely, 2^137676218 is an apocalyptic number.

137676218 is a deficient number, since it is larger than the sum of its proper divisors (68838112).

137676218 is an equidigital number, since it uses as much as digits as its factorization.

137676218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68838111.

The product of its digits is 84672, while the sum is 41.

The square root of 137676218 is about 11733.5509544213. The cubic root of 137676218 is about 516.3604561320.

The spelling of 137676218 in words is "one hundred thirty-seven million, six hundred seventy-six thousand, two hundred eighteen".