137486137 has 2 divisors, whose sum is σ = 137486138. Its totient is φ = 137486136.

The previous prime is 137486113. The next prime is 137486171. The reversal of 137486137 is 731684731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75012921 + 62473216 = 8661^2 + 7904^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137486137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 137486137.

It is not a weakly prime, because it can be changed into another prime (137486177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68743068 + 68743069.

It is an arithmetic number, because the mean of its divisors is an integer number (68743069).

Almost surely, 2^137486137 is an apocalyptic number.

It is an amenable number.

137486137 is a deficient number, since it is larger than the sum of its proper divisors (1).

137486137 is an equidigital number, since it uses as much as digits as its factorization.

137486137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 40.

The square root of 137486137 is about 11725.4482643522. The cubic root of 137486137 is about 516.1227110855.

The spelling of 137486137 in words is "one hundred thirty-seven million, four hundred eighty-six thousand, one hundred thirty-seven".