137946836 has 24 divisors (see below), whose sum is σ = 245718816. Its totient is φ = 67747680.

The previous prime is 137946817. The next prime is 137946871. The reversal of 137946836 is 638649731.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

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 7 ways as a sum of consecutive naturals, for example, 146126 + ... + 147066.

It is an arithmetic number, because the mean of its divisors is an integer number (10238284).

Almost surely, 2^137946836 is an apocalyptic number.

It is an amenable number.

137946836 is a deficient number, since it is larger than the sum of its proper divisors (107771980).

137946836 is a wasteful number, since it uses less digits than its factorization.

137946836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559 (or 1557 counting only the distinct ones).

The product of its digits is 653184, while the sum is 47.

The square root of 137946836 is about 11745.0770963838. The cubic root of 137946836 is about 516.6985561078.

The spelling of 137946836 in words is "one hundred thirty-seven million, nine hundred forty-six thousand, eight hundred thirty-six".