137605520612 has 12 divisors (see below), whose sum is σ = 275211041280. Its totient is φ = 58973794536.

The previous prime is 137605520609. The next prime is 137605520617. The reversal of 137605520612 is 216025506731.

It is a happy number.

137605520612 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (137605520617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2457241412 + ... + 2457241467.

It is an arithmetic number, because the mean of its divisors is an integer number (22934253440).

Almost surely, 2^137605520612 is an apocalyptic number.

It is an amenable number.

137605520612 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137605520612 is a wasteful number, since it uses less digits than its factorization.

137605520612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4914482890 (or 4914482888 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 137605520612 in words is "one hundred thirty-seven billion, six hundred five million, five hundred twenty thousand, six hundred twelve".