163135019 has 2 divisors, whose sum is σ = 163135020. Its totient is φ = 163135018.

The previous prime is 163135013. The next prime is 163135031. The reversal of 163135019 is 910531361.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163135019 is a prime.

It is a super-4 number, since 4×163135019⁴ (a number of 34 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is equal to p_9140294 and since 163135019 and 9140294 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 163134982 and 163135000.

It is not a weakly prime, because it can be changed into another prime (163135013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81567509 + 81567510.

It is an arithmetic number, because the mean of its divisors is an integer number (81567510).

Almost surely, 2^163135019 is an apocalyptic number.

163135019 is a deficient number, since it is larger than the sum of its proper divisors (1).

163135019 is an equidigital number, since it uses as much as digits as its factorization.

163135019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 163135019 is about 12772.4319923811. The cubic root of 163135019 is about 546.4063434754.

The spelling of 163135019 in words is "one hundred sixty-three million, one hundred thirty-five thousand, nineteen".