137538418 has 8 divisors (see below), whose sum is σ = 206377200. Its totient is φ = 68746020.

The previous prime is 137538389. The next prime is 137538419. The reversal of 137538418 is 814835731.

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

It is not an unprimeable number, because it can be changed into a prime (137538419) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2868 + ... + 16831.

It is an arithmetic number, because the mean of its divisors is an integer number (25797150).

Almost surely, 2^137538418 is an apocalyptic number.

137538418 is a deficient number, since it is larger than the sum of its proper divisors (68838782).

137538418 is a wasteful number, since it uses less digits than its factorization.

137538418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23192.

The product of its digits is 80640, while the sum is 40.

The square root of 137538418 is about 11727.6774341725. The cubic root of 137538418 is about 516.1881237215.

It can be divided in two parts, 1375 and 38418, that added together give a palindrome (39793).

The spelling of 137538418 in words is "one hundred thirty-seven million, five hundred thirty-eight thousand, four hundred eighteen".