163420134 has 8 divisors (see below), whose sum is σ = 326840280. Its totient is φ = 54473376.

The previous prime is 163420123. The next prime is 163420139. The reversal of 163420134 is 431024361.

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

163420134 is an admirable number.

It is a super-2 number, since 2×163420134² = 53412280393155912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163420139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13618339 + ... + 13618350.

It is an arithmetic number, because the mean of its divisors is an integer number (40855035).

Almost surely, 2^163420134 is an apocalyptic number.

163420134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

163420134 is a wasteful number, since it uses less digits than its factorization.

163420134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27236694.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 163420134 is about 12783.5884633385. The cubic root of 163420134 is about 546.7244807154.

Adding to 163420134 its reverse (431024361), we get a palindrome (594444495).

The spelling of 163420134 in words is "one hundred sixty-three million, four hundred twenty thousand, one hundred thirty-four".