137218323 has 16 divisors (see below), whose sum is σ = 210096000. Its totient is φ = 78785280.

The previous prime is 137218313. The next prime is 137218327. The reversal of 137218323 is 323812731.

It is not a de Polignac number, because 137218323 - 2¹² = 137214227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137218327) 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, 108798 + ... + 110051.

It is an arithmetic number, because the mean of its divisors is an integer number (13131000).

Almost surely, 2^137218323 is an apocalyptic number.

137218323 is a deficient number, since it is larger than the sum of its proper divisors (72877677).

137218323 is a wasteful number, since it uses less digits than its factorization.

137218323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218882.

The product of its digits is 6048, while the sum is 30.

The square root of 137218323 is about 11714.0224944295. The cubic root of 137218323 is about 515.7873688248.

The spelling of 137218323 in words is "one hundred thirty-seven million, two hundred eighteen thousand, three hundred twenty-three".