132801761 has 4 divisors (see below), whose sum is σ = 133221012. Its totient is φ = 132382512.

The previous prime is 132801751. The next prime is 132801787. The reversal of 132801761 is 167108231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 167108231 = 1753 ⋅95327.

It can be written as a sum of positive squares in 2 ways, for example, as 78499600 + 54302161 = 8860^2 + 7369^2 .

It is a cyclic number.

It is not a de Polignac number, because 132801761 - 2¹⁴ = 132785377 is a prime.

It is a super-2 number, since 2×132801761² = 35272615449402242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (132801731) 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, 209150 + ... + 209783.

It is an arithmetic number, because the mean of its divisors is an integer number (33305253).

Almost surely, 2^132801761 is an apocalyptic number.

It is an amenable number.

132801761 is a deficient number, since it is larger than the sum of its proper divisors (419251).

132801761 is an equidigital number, since it uses as much as digits as its factorization.

132801761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419250.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 132801761 is about 11523.9646389600. The cubic root of 132801761 is about 510.1931358728.

Adding to 132801761 its reverse (167108231), we get a palindrome (299909992).

The spelling of 132801761 in words is "one hundred thirty-two million, eight hundred one thousand, seven hundred sixty-one".