169945134 has 16 divisors (see below), whose sum is σ = 345651840. Its totient is φ = 55688120.

The previous prime is 169945129. The next prime is 169945163. The reversal of 169945134 is 431549961.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239682 + ... + 240389.

It is an arithmetic number, because the mean of its divisors is an integer number (21603240).

Almost surely, 2^169945134 is an apocalyptic number.

169945134 is an abundant number, since it is smaller than the sum of its proper divisors (175706706).

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

169945134 is a wasteful number, since it uses less digits than its factorization.

169945134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480135.

The product of its digits is 116640, while the sum is 42.

The square root of 169945134 is about 13036.3006255609. The cubic root of 169945134 is about 553.9062234022.

The spelling of 169945134 in words is "one hundred sixty-nine million, nine hundred forty-five thousand, one hundred thirty-four".