132781210320 has 160 divisors (see below), whose sum is σ = 461178518400. Its totient is φ = 31319377920.

The previous prime is 132781210313. The next prime is 132781210343. The reversal of 132781210320 is 23012187231.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 581995 + ... + 777354.

It is an arithmetic number, because the mean of its divisors is an integer number (2882365740).

Almost surely, 2^132781210320 is an apocalyptic number.

132781210320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132781210320 is an abundant number, since it is smaller than the sum of its proper divisors (328397308080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

132781210320 is a wasteful number, since it uses less digits than its factorization.

132781210320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359413 (or 1359407 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

Adding to 132781210320 its reverse (23012187231), we get a palindrome (155793397551).

The spelling of 132781210320 in words is "one hundred thirty-two billion, seven hundred eighty-one million, two hundred ten thousand, three hundred twenty".