137609812 has 12 divisors (see below), whose sum is σ = 240982560. Its totient is φ = 68757656.

The previous prime is 137609807. The next prime is 137609821. The reversal of 137609812 is 218906731.

137609812 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 4798 + ... + 17269.

It is an arithmetic number, because the mean of its divisors is an integer number (20081880).

Almost surely, 2^137609812 is an apocalyptic number.

It is an amenable number.

137609812 is a deficient number, since it is larger than the sum of its proper divisors (103372748).

137609812 is a wasteful number, since it uses less digits than its factorization.

137609812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23630 (or 23628 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 137609812 is about 11730.7208644652. The cubic root of 137609812 is about 516.2774232804.

The spelling of 137609812 in words is "one hundred thirty-seven million, six hundred nine thousand, eight hundred twelve".