163135287 has 24 divisors (see below), whose sum is σ = 270195744. Its totient is φ = 92911104.

The previous prime is 163135277. The next prime is 163135307. The reversal of 163135287 is 782531361.

It is not a de Polignac number, because 163135287 - 2⁶ = 163135223 is a prime.

It is a super-2 number, since 2×163135287² = 53226243729144738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163135207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15583 + ... + 23855.

It is an arithmetic number, because the mean of its divisors is an integer number (11258156).

Almost surely, 2^163135287 is an apocalyptic number.

163135287 is a deficient number, since it is larger than the sum of its proper divisors (107060457).

163135287 is a wasteful number, since it uses less digits than its factorization.

163135287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8599 (or 8596 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 163135287 is about 12772.4424837225. The cubic root of 163135287 is about 546.4066426893.

The spelling of 163135287 in words is "one hundred sixty-three million, one hundred thirty-five thousand, two hundred eighty-seven".