132497820 has 144 divisors (see below), whose sum is σ = 494719680. Its totient is φ = 27952128.

The previous prime is 132497801. The next prime is 132497821. The reversal of 132497820 is 28794231.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132497821) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12336 + ... + 20424.

Almost surely, 2^132497820 is an apocalyptic number.

132497820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 132497820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247359840).

132497820 is an abundant number, since it is smaller than the sum of its proper divisors (362221860).

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

132497820 is a wasteful number, since it uses less digits than its factorization.

132497820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8124 (or 8119 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 132497820 is about 11510.7697396829. The cubic root of 132497820 is about 509.8036152763.

The spelling of 132497820 in words is "one hundred thirty-two million, four hundred ninety-seven thousand, eight hundred twenty".