169132739 has 2 divisors, whose sum is σ = 169132740. Its totient is φ = 169132738.

The previous prime is 169132697. The next prime is 169132741. The reversal of 169132739 is 937231961.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 169132739 - 2¹² = 169128643 is a prime.

It is a Sophie Germain prime.

Together with 169132741, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 169132696 and 169132705.

It is not a weakly prime, because it can be changed into another prime (169134739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84566369 + 84566370.

It is an arithmetic number, because the mean of its divisors is an integer number (84566370).

Almost surely, 2^169132739 is an apocalyptic number.

169132739 is a deficient number, since it is larger than the sum of its proper divisors (1).

169132739 is an equidigital number, since it uses as much as digits as its factorization.

169132739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61236, while the sum is 41.

The square root of 169132739 is about 13005.1043440643. The cubic root of 169132739 is about 553.0221937907.

The spelling of 169132739 in words is "one hundred sixty-nine million, one hundred thirty-two thousand, seven hundred thirty-nine".