137669828 has 12 divisors (see below), whose sum is σ = 243629820. Its totient is φ = 68061312.

The previous prime is 137669803. The next prime is 137669849. The reversal of 137669828 is 828966731.

It can be written as a sum of positive squares in 2 ways, for example, as 66064384 + 71605444 = 8128^2 + 8462^2 .

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, 193001 + ... + 193712.

It is an arithmetic number, because the mean of its divisors is an integer number (20302485).

Almost surely, 2^137669828 is an apocalyptic number.

It is an amenable number.

137669828 is a deficient number, since it is larger than the sum of its proper divisors (105959992).

137669828 is a wasteful number, since it uses less digits than its factorization.

137669828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386806 (or 386804 counting only the distinct ones).

The product of its digits is 870912, while the sum is 50.

The square root of 137669828 is about 11733.2786551756. The cubic root of 137669828 is about 516.3524673537.

The spelling of 137669828 in words is "one hundred thirty-seven million, six hundred sixty-nine thousand, eight hundred twenty-eight".