164139036 has 12 divisors (see below), whose sum is σ = 382991112. Its totient is φ = 54713008.

The previous prime is 164139013. The next prime is 164139037. The reversal of 164139036 is 630931461.

164139036 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 164138988 and 164139006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164139037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6839115 + ... + 6839138.

It is an arithmetic number, because the mean of its divisors is an integer number (31915926).

Almost surely, 2^164139036 is an apocalyptic number.

It is an amenable number.

164139036 is an abundant number, since it is smaller than the sum of its proper divisors (218852076).

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

164139036 is a wasteful number, since it uses less digits than its factorization.

164139036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13678260 (or 13678258 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 164139036 is about 12811.6757686104. The cubic root of 164139036 is about 547.5250070936.

The spelling of 164139036 in words is "one hundred sixty-four million, one hundred thirty-nine thousand, thirty-six".