163135141 has 8 divisors (see below), whose sum is σ = 175967064. Its totient is φ = 150343680.

The previous prime is 163135123. The next prime is 163135153. The reversal of 163135141 is 141531361.

It can be written as a sum of positive squares in 4 ways, for example, as 69239041 + 93896100 = 8321^2 + 9690^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163135141 - 2⁷ = 163135013 is a prime.

It is a super-2 number, since 2×163135141² = 53226148458179762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163135541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1456 + ... + 18121.

It is an arithmetic number, because the mean of its divisors is an integer number (21995883).

Almost surely, 2^163135141 is an apocalyptic number.

It is an amenable number.

163135141 is a deficient number, since it is larger than the sum of its proper divisors (12831923).

163135141 is a wasteful number, since it uses less digits than its factorization.

163135141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20231.

The product of its digits is 1080, while the sum is 25.

The square root of 163135141 is about 12772.4367682913. The cubic root of 163135141 is about 546.4064796847.

The spelling of 163135141 in words is "one hundred sixty-three million, one hundred thirty-five thousand, one hundred forty-one".