132745729 has 4 divisors (see below), whose sum is σ = 132785920. Its totient is φ = 132705540.

The previous prime is 132745721. The next prime is 132745747. The reversal of 132745729 is 927547231.

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.

It is a cyclic number.

It is not a de Polignac number, because 132745729 - 2³ = 132745721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132745691 and 132745700.

It is not an unprimeable number, because it can be changed into a prime (132745721) 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, 14649 + ... + 21910.

It is an arithmetic number, because the mean of its divisors is an integer number (33196480).

Almost surely, 2^132745729 is an apocalyptic number.

It is an amenable number.

132745729 is a deficient number, since it is larger than the sum of its proper divisors (40191).

132745729 is an equidigital number, since it uses as much as digits as its factorization.

132745729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40190.

The product of its digits is 105840, while the sum is 40.

The square root of 132745729 is about 11521.5332746992. The cubic root of 132745729 is about 510.1213718564.

The spelling of 132745729 in words is "one hundred thirty-two million, seven hundred forty-five thousand, seven hundred twenty-nine".