132402681 has 24 divisors (see below), whose sum is σ = 210004704. Its totient is φ = 83073600.

The previous prime is 132402671. The next prime is 132402731. The reversal of 132402681 is 186204231.

It is not a de Polignac number, because 132402681 - 2⁵ = 132402649 is a prime.

It is a super-2 number, since 2×132402681² = 35060939871975522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (132402601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11895 + ... + 20156.

It is an arithmetic number, because the mean of its divisors is an integer number (8750196).

Almost surely, 2^132402681 is an apocalyptic number.

It is an amenable number.

132402681 is a deficient number, since it is larger than the sum of its proper divisors (77602023).

132402681 is an equidigital number, since it uses as much as digits as its factorization.

132402681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32083 (or 32071 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 132402681 is about 11506.6363894928. The cubic root of 132402681 is about 509.6815659232.

The spelling of 132402681 in words is "one hundred thirty-two million, four hundred two thousand, six hundred eighty-one".