164907139 has 8 divisors (see below), whose sum is σ = 167488272. Its totient is φ = 162340320.

The previous prime is 164907133. The next prime is 164907143. The reversal of 164907139 is 931709461.

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

It is a cyclic number.

It is not a de Polignac number, because 164907139 - 2³ = 164907131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164907131) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20929 + ... + 27709.

It is an arithmetic number, because the mean of its divisors is an integer number (20936034).

Almost surely, 2^164907139 is an apocalyptic number.

164907139 is a deficient number, since it is larger than the sum of its proper divisors (2581133).

164907139 is an equidigital number, since it uses as much as digits as its factorization.

164907139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7157.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 164907139 is about 12841.6174604292. The cubic root of 164907139 is about 548.3777420717.

The spelling of 164907139 in words is "one hundred sixty-four million, nine hundred seven thousand, one hundred thirty-nine".