137306612 has 12 divisors (see below), whose sum is σ = 240413796. Its totient is φ = 68616960.

The previous prime is 137306591. The next prime is 137306621. The reversal of 137306612 is 216603731.

It can be written as a sum of positive squares in 2 ways, for example, as 57668836 + 79637776 = 7594^2 + 8924^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 548 + ... + 16580.

It is an arithmetic number, because the mean of its divisors is an integer number (20034483).

Almost surely, 2^137306612 is an apocalyptic number.

It is an amenable number.

137306612 is a deficient number, since it is larger than the sum of its proper divisors (103107184).

137306612 is a wasteful number, since it uses less digits than its factorization.

137306612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18178 (or 18176 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 137306612 is about 11717.7904060450. The cubic root of 137306612 is about 515.8979677271.

The spelling of 137306612 in words is "one hundred thirty-seven million, three hundred six thousand, six hundred twelve".