164213002139 has 8 divisors (see below), whose sum is σ = 168709118928. Its totient is φ = 159719934240.

The previous prime is 164213002117. The next prime is 164213002141. The reversal of 164213002139 is 931200312461.

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-164213002139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164213002739) 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, 652817 + ... + 868674.

It is an arithmetic number, because the mean of its divisors is an integer number (21088639866).

Almost surely, 2^164213002139 is an apocalyptic number.

164213002139 is a deficient number, since it is larger than the sum of its proper divisors (4496116789).

164213002139 is a wasteful number, since it uses less digits than its factorization.

164213002139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524445.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 164213002139 in words is "one hundred sixty-four billion, two hundred thirteen million, two thousand, one hundred thirty-nine".