132544001 has 4 divisors (see below), whose sum is σ = 133910532. Its totient is φ = 131177472.

The previous prime is 132543997. The next prime is 132544039. The reversal of 132544001 is 100445231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 106584976 + 25959025 = 10324^2 + 5095^2 .

It is a cyclic number.

It is not a de Polignac number, because 132544001 - 2² = 132543997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132544091) 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, 683120 + ... + 683313.

It is an arithmetic number, because the mean of its divisors is an integer number (33477633).

Almost surely, 2^132544001 is an apocalyptic number.

It is an amenable number.

132544001 is a deficient number, since it is larger than the sum of its proper divisors (1366531).

132544001 is an equidigital number, since it uses as much as digits as its factorization.

132544001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366530.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 132544001 is about 11512.7755558770. The cubic root of 132544001 is about 509.8628376495.

Adding to 132544001 its reverse (100445231), we get a palindrome (232989232).

The spelling of 132544001 in words is "one hundred thirty-two million, five hundred forty-four thousand, one".