132581830 has 16 divisors (see below), whose sum is σ = 243725760. Its totient is φ = 51904192.

The previous prime is 132581819. The next prime is 132581833. The reversal of 132581830 is 38185231.

It is a super-2 number, since 2×132581830² = 35155883292297800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 132581792 and 132581801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132581833) 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, 140575 + ... + 141514.

It is an arithmetic number, because the mean of its divisors is an integer number (15232860).

Almost surely, 2^132581830 is an apocalyptic number.

132581830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

132581830 is a deficient number, since it is larger than the sum of its proper divisors (111143930).

132581830 is a wasteful number, since it uses less digits than its factorization.

132581830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282143.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 132581830 is about 11514.4183526568. The cubic root of 132581830 is about 509.9113391949.

The spelling of 132581830 in words is "one hundred thirty-two million, five hundred eighty-one thousand, eight hundred thirty".