137568089 has 2 divisors, whose sum is σ = 137568090. Its totient is φ = 137568088.

The previous prime is 137568077. The next prime is 137568127. The reversal of 137568089 is 980865731.

It is a happy number.

137568089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130142464 + 7425625 = 11408^2 + 2725^2 .

It is an emirp because it is prime and its reverse (980865731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137568089 - 2⁴ = 137568073 is a prime.

It is a super-2 number, since 2×137568089² = 37849958222223842, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (137568059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68784044 + 68784045.

It is an arithmetic number, because the mean of its divisors is an integer number (68784045).

Almost surely, 2^137568089 is an apocalyptic number.

It is an amenable number.

137568089 is a deficient number, since it is larger than the sum of its proper divisors (1).

137568089 is an equidigital number, since it uses as much as digits as its factorization.

137568089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 137568089 is about 11728.9423649364. The cubic root of 137568089 is about 516.2252399368.

The spelling of 137568089 in words is "one hundred thirty-seven million, five hundred sixty-eight thousand, eighty-nine".