137660161 has 2 divisors, whose sum is σ = 137660162. Its totient is φ = 137660160.

The previous prime is 137660137. The next prime is 137660167. The reversal of 137660161 is 161066731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125888400 + 11771761 = 11220^2 + 3431^2 .

It is a cyclic number.

It is not a de Polignac number, because 137660161 - 2⁹ = 137659649 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (137660167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68830080 + 68830081.

It is an arithmetic number, because the mean of its divisors is an integer number (68830081).

Almost surely, 2^137660161 is an apocalyptic number.

It is an amenable number.

137660161 is a deficient number, since it is larger than the sum of its proper divisors (1).

137660161 is an equidigital number, since it uses as much as digits as its factorization.

137660161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 137660161 is about 11732.8667000013. The cubic root of 137660161 is about 516.3403811999.

The spelling of 137660161 in words is "one hundred thirty-seven million, six hundred sixty thousand, one hundred sixty-one".