132420012540 has 24 divisors (see below), whose sum is σ = 370776035280. Its totient is φ = 35312003328.

The previous prime is 132420012539. The next prime is 132420012547. The reversal of 132420012540 is 45210024231.

It is a self number, because there is not a number n which added to its sum of digits gives 132420012540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132420012547) 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, 1103500045 + ... + 1103500164.

It is an arithmetic number, because the mean of its divisors is an integer number (15449001470).

Almost surely, 2^132420012540 is an apocalyptic number.

132420012540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132420012540 is an abundant number, since it is smaller than the sum of its proper divisors (238356022740).

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

132420012540 is a wasteful number, since it uses less digits than its factorization.

132420012540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207000221 (or 2207000219 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 132420012540 its reverse (45210024231), we get a palindrome (177630036771).

The spelling of 132420012540 in words is "one hundred thirty-two billion, four hundred twenty million, twelve thousand, five hundred forty".