163139594 has 8 divisors (see below), whose sum is σ = 245991168. Its totient is φ = 81142540.

The previous prime is 163139563. The next prime is 163139609. The reversal of 163139594 is 495931361.

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

It is a super-2 number, since 2×163139594² = 53229054260969672, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213152 + ... + 213915.

It is an arithmetic number, because the mean of its divisors is an integer number (30748896).

Almost surely, 2^163139594 is an apocalyptic number.

163139594 is a deficient number, since it is larger than the sum of its proper divisors (82851574).

163139594 is a wasteful number, since it uses less digits than its factorization.

163139594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427260.

The product of its digits is 87480, while the sum is 41.

The square root of 163139594 is about 12772.6110877925. The cubic root of 163139594 is about 546.4114512805.

The spelling of 163139594 in words is "one hundred sixty-three million, one hundred thirty-nine thousand, five hundred ninety-four".