137540012 has 24 divisors (see below), whose sum is σ = 257154240. Its totient is φ = 64175760.

The previous prime is 137540003. The next prime is 137540059. The reversal of 137540012 is 210045731.

137540012 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 137540012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8414 + ... + 18597.

It is an arithmetic number, because the mean of its divisors is an integer number (10714760).

Almost surely, 2^137540012 is an apocalyptic number.

It is an amenable number.

137540012 is a deficient number, since it is larger than the sum of its proper divisors (119614228).

137540012 is a wasteful number, since it uses less digits than its factorization.

137540012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27101 (or 27099 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 137540012 is about 11727.7453928707. The cubic root of 137540012 is about 516.1901178327.

Adding to 137540012 its reverse (210045731), we get a palindrome (347585743).

The spelling of 137540012 in words is "one hundred thirty-seven million, five hundred forty thousand, twelve".