137506868 has 6 divisors (see below), whose sum is σ = 240637026. Its totient is φ = 68753432.

The previous prime is 137506867. The next prime is 137506883. The reversal of 137506868 is 868605731.

It can be written as a sum of positive squares in only one way, i.e., 96393124 + 41113744 = 9818^2 + 6412^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137506861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17188355 + ... + 17188362.

It is an arithmetic number, because the mean of its divisors is an integer number (40106171).

Almost surely, 2^137506868 is an apocalyptic number.

It is an amenable number.

137506868 is a deficient number, since it is larger than the sum of its proper divisors (103130158).

137506868 is a wasteful number, since it uses less digits than its factorization.

137506868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34376721 (or 34376719 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 137506868 is about 11726.3322484057. The cubic root of 137506868 is about 516.1486511607.

The spelling of 137506868 in words is "one hundred thirty-seven million, five hundred six thousand, eight hundred sixty-eight".