132661501 has 4 divisors (see below), whose sum is σ = 151613152. Its totient is φ = 113709852.

The previous prime is 132661499. The next prime is 132661511. The reversal of 132661501 is 105166231.

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: 105166231 = 373 ⋅281947.

It is a cyclic number.

It is not a de Polignac number, because 132661501 - 2¹ = 132661499 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 (132661511) 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, 9475815 + ... + 9475828.

It is an arithmetic number, because the mean of its divisors is an integer number (37903288).

Almost surely, 2^132661501 is an apocalyptic number.

It is an amenable number.

132661501 is a deficient number, since it is larger than the sum of its proper divisors (18951651).

132661501 is an equidigital number, since it uses as much as digits as its factorization.

132661501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18951650.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 132661501 is about 11517.8774520308. The cubic root of 132661501 is about 510.0134572894.

The spelling of 132661501 in words is "one hundred thirty-two million, six hundred sixty-one thousand, five hundred one".