163136142 has 48 divisors (see below), whose sum is σ = 382374720. Its totient is φ = 49968576.

The previous prime is 163136137. The next prime is 163136191. The reversal of 163136142 is 241631361.

163136142 is a `hidden beast` number, since 16 + 31 + 3 + 614 + 2 = 666.

It is a super-2 number, since 2×163136142² = 53226801653288328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 54468 + ... + 57384.

It is an arithmetic number, because the mean of its divisors is an integer number (7966140).

Almost surely, 2^163136142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163136142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191187360).

163136142 is an abundant number, since it is smaller than the sum of its proper divisors (219238578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163136142 is a wasteful number, since it uses less digits than its factorization.

163136142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3177 (or 3174 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 163136142 is about 12772.4759541758. The cubic root of 163136142 is about 546.4075972689.

It can be divided in two parts, 1631 and 36142, that added together give a palindrome (37773).

The spelling of 163136142 in words is "one hundred sixty-three million, one hundred thirty-six thousand, one hundred forty-two".