169158137 has 2 divisors, whose sum is σ = 169158138. Its totient is φ = 169158136.

The previous prime is 169158113. The next prime is 169158149. The reversal of 169158137 is 731851961.

169158137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148328041 + 20830096 = 12179^2 + 4564^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-169158137 is a prime.

It is a super-2 number, since 2×169158137² = 57228950626621538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 169158094 and 169158103.

It is not a weakly prime, because it can be changed into another prime (169158107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84579068 + 84579069.

It is an arithmetic number, because the mean of its divisors is an integer number (84579069).

Almost surely, 2^169158137 is an apocalyptic number.

It is an amenable number.

169158137 is a deficient number, since it is larger than the sum of its proper divisors (1).

169158137 is an equidigital number, since it uses as much as digits as its factorization.

169158137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 41.

The square root of 169158137 is about 13006.0807701629. The cubic root of 169158137 is about 553.0498741297.

It can be divided in two parts, 16915 and 8137, that added together give a palindrome (25052).

The spelling of 169158137 in words is "one hundred sixty-nine million, one hundred fifty-eight thousand, one hundred thirty-seven".