132620240 has 40 divisors (see below), whose sum is σ = 315870408. Its totient is φ = 51752960.

The previous prime is 132620239. The next prime is 132620273. The reversal of 132620240 is 42026231.

It can be written as a sum of positive squares in 4 ways, for example, as 3297856 + 129322384 = 1816^2 + 11372^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16937 + ... + 23496.

Almost surely, 2^132620240 is an apocalyptic number.

132620240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132620240 is an abundant number, since it is smaller than the sum of its proper divisors (183250168).

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

132620240 is a wasteful number, since it uses less digits than its factorization.

132620240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40487 (or 40481 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 132620240 is about 11516.0861406990. The cubic root of 132620240 is about 509.9605762169.

Adding to 132620240 its reverse (42026231), we get a palindrome (174646471).

The spelling of 132620240 in words is "one hundred thirty-two million, six hundred twenty thousand, two hundred forty".