153368639 has 2 divisors, whose sum is σ = 153368640. Its totient is φ = 153368638.

The previous prime is 153368609. The next prime is 153368641. The reversal of 153368639 is 936863351.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 153368639 - 2¹² = 153364543 is a prime.

It is a Sophie Germain prime.

Together with 153368641, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 153368639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153368609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76684319 + 76684320.

It is an arithmetic number, because the mean of its divisors is an integer number (76684320).

Almost surely, 2^153368639 is an apocalyptic number.

153368639 is a deficient number, since it is larger than the sum of its proper divisors (1).

153368639 is an equidigital number, since it uses as much as digits as its factorization.

153368639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 44.

The square root of 153368639 is about 12384.2092601829. The cubic root of 153368639 is about 535.2773348830.

The spelling of 153368639 in words is "one hundred fifty-three million, three hundred sixty-eight thousand, six hundred thirty-nine".