132313681 has 8 divisors (see below), whose sum is σ = 133266600. Its totient is φ = 131364480.

The previous prime is 132313667. The next prime is 132313693. The reversal of 132313681 is 186313231.

It can be written as a sum of positive squares in 4 ways, for example, as 5953600 + 126360081 = 2440^2 + 11241^2 .

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 132313681 - 2¹⁵ = 132280913 is a prime.

It is a super-2 number, since 2×132313681² = 35013820359539522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132313651) 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, 118755 + ... + 119863.

It is an arithmetic number, because the mean of its divisors is an integer number (16658325).

Almost surely, 2^132313681 is an apocalyptic number.

It is an amenable number.

132313681 is a deficient number, since it is larger than the sum of its proper divisors (952919).

132313681 is a wasteful number, since it uses less digits than its factorization.

132313681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859.

The product of its digits is 2592, while the sum is 28.

The square root of 132313681 is about 11502.7684059099. The cubic root of 132313681 is about 509.5673390643.

The spelling of 132313681 in words is "one hundred thirty-two million, three hundred thirteen thousand, six hundred eighty-one".