132169817 has 4 divisors (see below), whose sum is σ = 142336740. Its totient is φ = 122002896.

The previous prime is 132169787. The next prime is 132169819. The reversal of 132169817 is 718961231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 718961231 = 1693 ⋅424667.

It can be written as a sum of positive squares in 2 ways, for example, as 16736281 + 115433536 = 4091^2 + 10744^2 .

It is a cyclic number.

It is not a de Polignac number, because 132169817 - 2⁸ = 132169561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (132169819) 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, 5083442 + ... + 5083467.

It is an arithmetic number, because the mean of its divisors is an integer number (35584185).

Almost surely, 2^132169817 is an apocalyptic number.

It is an amenable number.

132169817 is a deficient number, since it is larger than the sum of its proper divisors (10166923).

132169817 is a wasteful number, since it uses less digits than its factorization.

132169817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10166922.

The product of its digits is 18144, while the sum is 38.

The square root of 132169817 is about 11496.5132540262. The cubic root of 132169817 is about 509.3825887537.

The spelling of 132169817 in words is "one hundred thirty-two million, one hundred sixty-nine thousand, eight hundred seventeen".