163138059 has 24 divisors (see below), whose sum is σ = 269848800. Its totient is φ = 93034368.

The previous prime is 163138037. The next prime is 163138067. The reversal of 163138059 is 950831361.

It is a happy number.

It is not a de Polignac number, because 163138059 - 2⁸ = 163137803 is a prime.

It is a super-2 number, since 2×163138059² = 53228052588574962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (163138159) by changing a digit.

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, 32767 + ... + 37415.

It is an arithmetic number, because the mean of its divisors is an integer number (11243700).

Almost surely, 2^163138059 is an apocalyptic number.

163138059 is a deficient number, since it is larger than the sum of its proper divisors (106710741).

163138059 is a wasteful number, since it uses less digits than its factorization.

163138059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5219 (or 5216 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 163138059 is about 12772.5509981366. The cubic root of 163138059 is about 546.4097375248.

The spelling of 163138059 in words is "one hundred sixty-three million, one hundred thirty-eight thousand, fifty-nine".