137840884 has 6 divisors (see below), whose sum is σ = 241221554. Its totient is φ = 68920440.

The previous prime is 137840881. The next prime is 137840887. The reversal of 137840884 is 488048731.

It is an interprime number because it is at equal distance from previous prime (137840881) and next prime (137840887).

It can be written as a sum of positive squares in only one way, i.e., 137405284 + 435600 = 11722^2 + 660^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 137840884.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137840881) by changing a digit.

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 as a sum of consecutive naturals, namely, 17230107 + ... + 17230114.

Almost surely, 2^137840884 is an apocalyptic number.

It is an amenable number.

137840884 is a deficient number, since it is larger than the sum of its proper divisors (103380670).

137840884 is a wasteful number, since it uses less digits than its factorization.

137840884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34460225 (or 34460223 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 137840884 is about 11740.5657444605. The cubic root of 137840884 is about 516.5662363704.

The spelling of 137840884 in words is "one hundred thirty-seven million, eight hundred forty thousand, eight hundred eighty-four".