137331418 has 24 divisors (see below), whose sum is σ = 240560064. Its totient is φ = 58627800.

The previous prime is 137331407. The next prime is 137331419. The reversal of 137331418 is 814133731.

It is a self number, because there is not a number n which added to its sum of digits gives 137331418.

It is not an unprimeable number, because it can be changed into a prime (137331419) 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 11 ways as a sum of consecutive naturals, for example, 23973 + ... + 29143.

It is an arithmetic number, because the mean of its divisors is an integer number (10023336).

Almost surely, 2^137331418 is an apocalyptic number.

137331418 is a deficient number, since it is larger than the sum of its proper divisors (103228646).

137331418 is a wasteful number, since it uses less digits than its factorization.

137331418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5458 (or 5451 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 137331418 is about 11718.8488342499. The cubic root of 137331418 is about 515.9290334668.

It can be divided in two parts, 13733 and 1418, that added together give a palindrome (15151).

The spelling of 137331418 in words is "one hundred thirty-seven million, three hundred thirty-one thousand, four hundred eighteen".