132665653 has 4 divisors (see below), whose sum is σ = 132965568. Its totient is φ = 132365740.

The previous prime is 132665651. The next prime is 132665669. The reversal of 132665653 is 356566231.

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: 356566231 = 7 ⋅50938033.

It is a cyclic number.

It is not a de Polignac number, because 132665653 - 2¹ = 132665651 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 (132665651) 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, 149293 + ... + 150178.

It is an arithmetic number, because the mean of its divisors is an integer number (33241392).

Almost surely, 2^132665653 is an apocalyptic number.

It is an amenable number.

132665653 is a deficient number, since it is larger than the sum of its proper divisors (299915).

132665653 is an equidigital number, since it uses as much as digits as its factorization.

132665653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299914.

The product of its digits is 97200, while the sum is 37.

The square root of 132665653 is about 11518.0576921632. The cubic root of 132665653 is about 510.0187779835.

The spelling of 132665653 in words is "one hundred thirty-two million, six hundred sixty-five thousand, six hundred fifty-three".