173485136 has 80 divisors (see below), whose sum is σ = 405295488. Its totient is φ = 70963200.

The previous prime is 173485129. The next prime is 173485139. The reversal of 173485136 is 631584371.

It is a self number, because there is not a number n which added to its sum of digits gives 173485136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173485139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67556 + ... + 70076.

Almost surely, 2^173485136 is an apocalyptic number.

173485136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 173485136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202647744).

173485136 is an abundant number, since it is smaller than the sum of its proper divisors (231810352).

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

173485136 is a wasteful number, since it uses less digits than its factorization.

173485136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580 (or 2574 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 173485136 is about 13171.3756305103. The cubic root of 173485136 is about 557.7258280615.

The spelling of 173485136 in words is "one hundred seventy-three million, four hundred eighty-five thousand, one hundred thirty-six".