132749173 has 4 divisors (see below), whose sum is σ = 133378528. Its totient is φ = 132119820.

The previous prime is 132749171. The next prime is 132749191. The reversal of 132749173 is 371947231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 371947231 = 13043 ⋅28517.

It is a cyclic number.

It is not a de Polignac number, because 132749173 - 2¹ = 132749171 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132749171) 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, 314361 + ... + 314782.

It is an arithmetic number, because the mean of its divisors is an integer number (33344632).

Almost surely, 2^132749173 is an apocalyptic number.

It is an amenable number.

132749173 is a deficient number, since it is larger than the sum of its proper divisors (629355).

132749173 is an equidigital number, since it uses as much as digits as its factorization.

132749173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629354.

The product of its digits is 31752, while the sum is 37.

The square root of 132749173 is about 11521.6827330039. The cubic root of 132749173 is about 510.1257834053.

The spelling of 132749173 in words is "one hundred thirty-two million, seven hundred forty-nine thousand, one hundred seventy-three".