163135207 has 2 divisors, whose sum is σ = 163135208. Its totient is φ = 163135206.

The previous prime is 163135153. The next prime is 163135223. The reversal of 163135207 is 702531361.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163135207 is a prime.

It is a super-2 number, since 2×163135207² = 53226191525865698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163135277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81567603 + 81567604.

It is an arithmetic number, because the mean of its divisors is an integer number (81567604).

Almost surely, 2^163135207 is an apocalyptic number.

163135207 is a deficient number, since it is larger than the sum of its proper divisors (1).

163135207 is an equidigital number, since it uses as much as digits as its factorization.

163135207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 163135207 is about 12772.4393519797. The cubic root of 163135207 is about 546.4065533717.

Adding to 163135207 its reverse (702531361), we get a palindrome (865666568).

The spelling of 163135207 in words is "one hundred sixty-three million, one hundred thirty-five thousand, two hundred seven".