169131007 has 2 divisors, whose sum is σ = 169131008. Its totient is φ = 169131006.

The previous prime is 169130963. The next prime is 169131019. The reversal of 169131007 is 700131961.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 169131007 - 2⁷ = 169130879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (169131037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84565503 + 84565504.

It is an arithmetic number, because the mean of its divisors is an integer number (84565504).

Almost surely, 2^169131007 is an apocalyptic number.

169131007 is a deficient number, since it is larger than the sum of its proper divisors (1).

169131007 is an equidigital number, since it uses as much as digits as its factorization.

169131007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 169131007 is about 13005.0377546549. The cubic root of 169131007 is about 553.0203060472.

Adding to 169131007 its reverse (700131961), we get a palindrome (869262968).

The spelling of 169131007 in words is "one hundred sixty-nine million, one hundred thirty-one thousand, seven".