137485169 has 2 divisors, whose sum is σ = 137485170. Its totient is φ = 137485168.

The previous prime is 137485141. The next prime is 137485211. The reversal of 137485169 is 961584731.

137485169 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., 88134544 + 49350625 = 9388^2 + 7025^2 .

It is a cyclic number.

It is not a de Polignac number, because 137485169 - 2¹² = 137481073 is a prime.

It is a super-2 number, since 2×137485169² = 37804343389917122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (137485129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68742584 + 68742585.

It is an arithmetic number, because the mean of its divisors is an integer number (68742585).

Almost surely, 2^137485169 is an apocalyptic number.

It is an amenable number.

137485169 is a deficient number, since it is larger than the sum of its proper divisors (1).

137485169 is an equidigital number, since it uses as much as digits as its factorization.

137485169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 44.

The square root of 137485169 is about 11725.4069865400. The cubic root of 137485169 is about 516.1214997926.

The spelling of 137485169 in words is "one hundred thirty-seven million, four hundred eighty-five thousand, one hundred sixty-nine".