170433139 has 8 divisors (see below), whose sum is σ = 174392640. Its totient is φ = 166487616.

The previous prime is 170433127. The next prime is 170433149. The reversal of 170433139 is 931334071.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-170433139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 170433139.

It is not an unprimeable number, because it can be changed into a prime (170433149) 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 7 ways as a sum of consecutive naturals, for example, 23557 + ... + 29929.

It is an arithmetic number, because the mean of its divisors is an integer number (21799080).

Almost surely, 2^170433139 is an apocalyptic number.

170433139 is a deficient number, since it is larger than the sum of its proper divisors (3959501).

170433139 is an equidigital number, since it uses as much as digits as its factorization.

170433139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6989.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 170433139 is about 13055.0043661425. The cubic root of 170433139 is about 554.4359054970.

It can be divided in two parts, 1704 and 33139, that added together give a palindrome (34843).

The spelling of 170433139 in words is "one hundred seventy million, four hundred thirty-three thousand, one hundred thirty-nine".