132247440 has 240 divisors, whose sum is σ = 487468800. Its totient is φ = 31933440.

The previous prime is 132247439. The next prime is 132247459. The reversal of 132247440 is 44742231.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-3 number, since 3×132247440³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 664461 + ... + 664659.

It is an arithmetic number, because the mean of its divisors is an integer number (2031120).

Almost surely, 2^132247440 is an apocalyptic number.

132247440 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 132247440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243734400).

132247440 is an abundant number, since it is smaller than the sum of its proper divisors (355221360).

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

132247440 is a wasteful number, since it uses less digits than its factorization.

132247440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 132247440 is about 11499.8886951135. Note that the first 3 decimals coincide. The cubic root of 132247440 is about 509.4822889413.

Adding to 132247440 its reverse (44742231), we get a palindrome (176989671).

The spelling of 132247440 in words is "one hundred thirty-two million, two hundred forty-seven thousand, four hundred forty".