132002781 has 8 divisors (see below), whose sum is σ = 176079840. Its totient is φ = 87963792.

The previous prime is 132002777. The next prime is 132002833. The reversal of 132002781 is 187200231.

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

It is not a de Polignac number, because 132002781 - 2² = 132002777 is a prime.

It is a super-2 number, since 2×132002781² = 34849468383467922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132002711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91 + ... + 16248.

It is an arithmetic number, because the mean of its divisors is an integer number (22009980).

Almost surely, 2^132002781 is an apocalyptic number.

It is an amenable number.

132002781 is a deficient number, since it is larger than the sum of its proper divisors (44077059).

132002781 is a wasteful number, since it uses less digits than its factorization.

132002781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19035.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 132002781 is about 11489.2463199289. The cubic root of 132002781 is about 509.1679126631.

The spelling of 132002781 in words is "one hundred thirty-two million, two thousand, seven hundred eighty-one".