164315139 has 8 divisors (see below), whose sum is σ = 220199760. Its totient is φ = 108986976.

The previous prime is 164315119. The next prime is 164315143. The reversal of 164315139 is 931513461.

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

It is not a de Polignac number, because 164315139 - 2⁸ = 164314883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164315119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138424 + ... + 139605.

It is an arithmetic number, because the mean of its divisors is an integer number (27524970).

Almost surely, 2^164315139 is an apocalyptic number.

164315139 is a deficient number, since it is larger than the sum of its proper divisors (55884621).

164315139 is a wasteful number, since it uses less digits than its factorization.

164315139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278229.

The product of its digits is 9720, while the sum is 33.

The square root of 164315139 is about 12818.5466804939. The cubic root of 164315139 is about 547.7207483308.

The spelling of 164315139 in words is "one hundred sixty-four million, three hundred fifteen thousand, one hundred thirty-nine".