137122418 has 8 divisors (see below), whose sum is σ = 205737948. Its totient is φ = 68543104.

The previous prime is 137122369. The next prime is 137122421. The reversal of 137122418 is 814221731.

It can be written as a sum of positive squares in 2 ways, for example, as 98346889 + 38775529 = 9917^2 + 6227^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4430 + ... + 17142.

Almost surely, 2^137122418 is an apocalyptic number.

137122418 is a deficient number, since it is larger than the sum of its proper divisors (68615530).

137122418 is a wasteful number, since it uses less digits than its factorization.

137122418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18108.

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

The square root of 137122418 is about 11709.9281808216. The cubic root of 137122418 is about 515.6671756527.

The spelling of 137122418 in words is "one hundred thirty-seven million, one hundred twenty-two thousand, four hundred eighteen".