132521022 has 48 divisors (see below), whose sum is σ = 299203632. Its totient is φ = 43960320.

The previous prime is 132520951. The next prime is 132521023. The reversal of 132521022 is 220125231.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 132520986 and 132521004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132521023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124372 + ... + 125432.

It is an arithmetic number, because the mean of its divisors is an integer number (6233409).

Almost surely, 2^132521022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 132521022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149601816).

132521022 is an abundant number, since it is smaller than the sum of its proper divisors (166682610).

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

132521022 is a wasteful number, since it uses less digits than its factorization.

132521022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335 (or 1323 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 132521022 is about 11511.7775343341. Note that the first 3 decimals coincide. The cubic root of 132521022 is about 509.8333711700.

Adding to 132521022 its reverse (220125231), we get a palindrome (352646253).

The spelling of 132521022 in words is "one hundred thirty-two million, five hundred twenty-one thousand, twenty-two".