137105518 has 16 divisors (see below), whose sum is σ = 224745984. Its totient is φ = 62211960.

The previous prime is 137105513. The next prime is 137105531. The reversal of 137105518 is 815501731.

137105518 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 137105518.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137105513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8221 + ... + 18487.

It is an arithmetic number, because the mean of its divisors is an integer number (14046624).

Almost surely, 2^137105518 is an apocalyptic number.

137105518 is a deficient number, since it is larger than the sum of its proper divisors (87640466).

137105518 is a wasteful number, since it uses less digits than its factorization.

137105518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10887.

The product of its (nonzero) digits is 4200, while the sum is 31.

The square root of 137105518 is about 11709.2065486949. The cubic root of 137105518 is about 515.6459898795.

The spelling of 137105518 in words is "one hundred thirty-seven million, one hundred five thousand, five hundred eighteen".