172132613 has 8 divisors (see below), whose sum is σ = 176953536. Its totient is φ = 167378400.

The previous prime is 172132579. The next prime is 172132619. The reversal of 172132613 is 316231271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 172132613 - 2⁶ = 172132549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172132619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11423 + ... + 21788.

It is an arithmetic number, because the mean of its divisors is an integer number (22119192).

Almost surely, 2^172132613 is an apocalyptic number.

It is an amenable number.

172132613 is a deficient number, since it is larger than the sum of its proper divisors (4820923).

172132613 is an equidigital number, since it uses as much as digits as its factorization.

172132613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33355.

The product of its digits is 1512, while the sum is 26.

The square root of 172132613 is about 13119.9318976891. The cubic root of 172132613 is about 556.2726663659.

Adding to 172132613 its reverse (316231271), we get a palindrome (488363884).

The spelling of 172132613 in words is "one hundred seventy-two million, one hundred thirty-two thousand, six hundred thirteen".