132421340 has 24 divisors (see below), whose sum is σ = 278763072. Its totient is φ = 52839360.

The previous prime is 132421339. The next prime is 132421357. The reversal of 132421340 is 43124231.

It is a super-2 number, since 2×132421340² = 35070822574791200, which contains 22 as substring.

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, 557 + ... + 16283.

It is an arithmetic number, because the mean of its divisors is an integer number (11615128).

Almost surely, 2^132421340 is an apocalyptic number.

132421340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132421340 is an abundant number, since it is smaller than the sum of its proper divisors (146341732).

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

132421340 is a wasteful number, since it uses less digits than its factorization.

132421340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16157 (or 16155 counting only the distinct ones).

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

The square root of 132421340 is about 11507.4471539086. The cubic root of 132421340 is about 509.7055072854.

Adding to 132421340 its reverse (43124231), we get a palindrome (175545571).

The spelling of 132421340 in words is "one hundred thirty-two million, four hundred twenty-one thousand, three hundred forty".