137326628 has 12 divisors (see below), whose sum is σ = 241191132. Its totient is φ = 68414880.

The previous prime is 137326627. The next prime is 137326633. The reversal of 137326628 is 826623731.

It can be written as a sum of positive squares in 2 ways, for example, as 72556324 + 64770304 = 8518^2 + 8048^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 137326591 and 137326600.

It is not an unprimeable number, because it can be changed into a prime (137326627) by changing a digit.

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, 60863 + ... + 63078.

It is an arithmetic number, because the mean of its divisors is an integer number (20099261).

Almost surely, 2^137326628 is an apocalyptic number.

It is an amenable number.

137326628 is a deficient number, since it is larger than the sum of its proper divisors (103864504).

137326628 is a wasteful number, since it uses less digits than its factorization.

137326628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124222 (or 124220 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 137326628 is about 11718.6444608581. The cubic root of 137326628 is about 515.9230350123.

The spelling of 137326628 in words is "one hundred thirty-seven million, three hundred twenty-six thousand, six hundred twenty-eight".