171139230 has 40 divisors (see below), whose sum is σ = 460176552. Its totient is φ = 45636912.

The previous prime is 171139223. The next prime is 171139253. The reversal of 171139230 is 32931171.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 171139194 and 171139203.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 104832 + ... + 106451.

Almost surely, 2^171139230 is an apocalyptic number.

171139230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

171139230 is an abundant number, since it is smaller than the sum of its proper divisors (289037322).

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

171139230 is a wasteful number, since it uses less digits than its factorization.

171139230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211302 (or 211293 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 171139230 is about 13082.0193395362. The cubic root of 171139230 is about 555.2005119179.

The spelling of 171139230 in words is "one hundred seventy-one million, one hundred thirty-nine thousand, two hundred thirty".