169355138 has 8 divisors (see below), whose sum is σ = 254262288. Its totient is φ = 84601044.

The previous prime is 169355129. The next prime is 169355159. The reversal of 169355138 is 831553961.

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

It is a junction number, because it is equal to n+sod(n) for n = 169355095 and 169355104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35456 + ... + 39947.

It is an arithmetic number, because the mean of its divisors is an integer number (31782786).

Almost surely, 2^169355138 is an apocalyptic number.

169355138 is a deficient number, since it is larger than the sum of its proper divisors (84907150).

169355138 is a wasteful number, since it uses less digits than its factorization.

169355138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76528.

The product of its digits is 97200, while the sum is 41.

The square root of 169355138 is about 13013.6519855112. The cubic root of 169355138 is about 553.2644841838.

The spelling of 169355138 in words is "one hundred sixty-nine million, three hundred fifty-five thousand, one hundred thirty-eight".