137186089 has 2 divisors, whose sum is σ = 137186090. Its totient is φ = 137186088.

The previous prime is 137186057. The next prime is 137186111. The reversal of 137186089 is 980681731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120824064 + 16362025 = 10992^2 + 4045^2 .

It is a cyclic number.

It is not a de Polignac number, because 137186089 - 2⁵ = 137186057 is a prime.

It is not a weakly prime, because it can be changed into another prime (137186029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68593044 + 68593045.

It is an arithmetic number, because the mean of its divisors is an integer number (68593045).

Almost surely, 2^137186089 is an apocalyptic number.

It is an amenable number.

137186089 is a deficient number, since it is larger than the sum of its proper divisors (1).

137186089 is an equidigital number, since it uses as much as digits as its factorization.

137186089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 137186089 is about 11712.6465412391. The cubic root of 137186089 is about 515.7469777367.

The spelling of 137186089 in words is "one hundred thirty-seven million, one hundred eighty-six thousand, eighty-nine".