132984781 has 24 divisors (see below), whose sum is σ = 148911840. Its totient is φ = 118404000.

The previous prime is 132984773. The next prime is 132984799. The reversal of 132984781 is 187489231.

It is not a de Polignac number, because 132984781 - 2³ = 132984773 is a prime.

It is a super-2 number, since 2×132984781² = 35369903955235922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132984701) 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 23 ways as a sum of consecutive naturals, for example, 1015086 + ... + 1015216.

It is an arithmetic number, because the mean of its divisors is an integer number (6204660).

Almost surely, 2^132984781 is an apocalyptic number.

It is an amenable number.

132984781 is a deficient number, since it is larger than the sum of its proper divisors (15927059).

132984781 is a wasteful number, since it uses less digits than its factorization.

132984781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 274 counting only the distinct ones).

The product of its digits is 96768, while the sum is 43.

The square root of 132984781 is about 11531.9027484626. The cubic root of 132984781 is about 510.4274015553.

The spelling of 132984781 in words is "one hundred thirty-two million, nine hundred eighty-four thousand, seven hundred eighty-one".