39132661 has 4 divisors (see below), whose sum is σ = 39152800. Its totient is φ = 39112524.

The previous prime is 39132649. The next prime is 39132673. The reversal of 39132661 is 16623193.

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: 16623193 = 179 ⋅92867.

It is an interprime number because it is at equal distance from previous prime (39132649) and next prime (39132673).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39132661 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 (39132601) 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, 6801 + ... + 11158.

It is an arithmetic number, because the mean of its divisors is an integer number (9788200).

Almost surely, 2^39132661 is an apocalyptic number.

It is an amenable number.

39132661 is a deficient number, since it is larger than the sum of its proper divisors (20139).

39132661 is a wasteful number, since it uses less digits than its factorization.

39132661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20138.

The product of its digits is 5832, while the sum is 31.

The square root of 39132661 is about 6255.6103619071. The cubic root of 39132661 is about 339.5052232440.

It can be divided in two parts, 39132 and 661, that added together give a palindrome (39793).

The spelling of 39132661 in words is "thirty-nine million, one hundred thirty-two thousand, six hundred sixty-one".