137137828 has 6 divisors (see below), whose sum is σ = 239991206. Its totient is φ = 68568912.

The previous prime is 137137789. The next prime is 137137841. The reversal of 137137828 is 828731731.

It can be written as a sum of positive squares in only one way, i.e., 76422564 + 60715264 = 8742^2 + 7792^2 .

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 as a sum of consecutive naturals, namely, 17142225 + ... + 17142232.

Almost surely, 2^137137828 is an apocalyptic number.

It is an amenable number.

137137828 is a deficient number, since it is larger than the sum of its proper divisors (102853378).

137137828 is a wasteful number, since it uses less digits than its factorization.

137137828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34284461 (or 34284459 counting only the distinct ones).

The product of its digits is 56448, while the sum is 40.

The square root of 137137828 is about 11710.5861510003. The cubic root of 137137828 is about 515.6864920505.

The spelling of 137137828 in words is "one hundred thirty-seven million, one hundred thirty-seven thousand, eight hundred twenty-eight".