132843940 has 24 divisors (see below), whose sum is σ = 282796920. Its totient is φ = 52409088.

The previous prime is 132843923. The next prime is 132843947. The reversal of 132843940 is 49348231.

It can be written as a sum of positive squares in 4 ways, for example, as 27206656 + 105637284 = 5216^2 + 10278^2 .

It is a junction number, because it is equal to n+sod(n) for n = 132843896 and 132843905.

It is not an unprimeable number, because it can be changed into a prime (132843947) 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, 44035 + ... + 46954.

It is an arithmetic number, because the mean of its divisors is an integer number (11783205).

Almost surely, 2^132843940 is an apocalyptic number.

132843940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132843940 is an abundant number, since it is smaller than the sum of its proper divisors (149952980).

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

132843940 is a wasteful number, since it uses less digits than its factorization.

132843940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91071 (or 91069 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 132843940 is about 11525.7945496178. The cubic root of 132843940 is about 510.2471440884.

The spelling of 132843940 in words is "one hundred thirty-two million, eight hundred forty-three thousand, nine hundred forty".