169139004 has 12 divisors (see below), whose sum is σ = 394657704. Its totient is φ = 56379664.

The previous prime is 169138999. The next prime is 169139027. The reversal of 169139004 is 400931961.

169139004 is digitally balanced in base 2, 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 super-2 number, since 2×169139004² = 57216005348224032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7047447 + ... + 7047470.

It is an arithmetic number, because the mean of its divisors is an integer number (32888142).

Almost surely, 2^169139004 is an apocalyptic number.

It is an amenable number.

169139004 is an abundant number, since it is smaller than the sum of its proper divisors (225518700).

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

169139004 is a wasteful number, since it uses less digits than its factorization.

169139004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14094924 (or 14094922 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 169139004 is about 13005.3452087978. The cubic root of 169139004 is about 553.0290220395.

The spelling of 169139004 in words is "one hundred sixty-nine million, one hundred thirty-nine thousand, four".