169134452 has 6 divisors (see below), whose sum is σ = 295985298. Its totient is φ = 84567224.

The previous prime is 169134451. The next prime is 169134461. The reversal of 169134452 is 254431961.

It can be written as a sum of positive squares in only one way, i.e., 168065296 + 1069156 = 12964^2 + 1034^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169134451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21141803 + ... + 21141810.

It is an arithmetic number, because the mean of its divisors is an integer number (49330883).

Almost surely, 2^169134452 is an apocalyptic number.

It is an amenable number.

169134452 is a deficient number, since it is larger than the sum of its proper divisors (126850846).

169134452 is a wasteful number, since it uses less digits than its factorization.

169134452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42283617 (or 42283615 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 169134452 is about 13005.1702026540. The cubic root of 169134452 is about 553.0240608131.

The spelling of 169134452 in words is "one hundred sixty-nine million, one hundred thirty-four thousand, four hundred fifty-two".