132407021 has 8 divisors (see below), whose sum is σ = 138459264. Its totient is φ = 126379440.

The previous prime is 132407017. The next prime is 132407047. The reversal of 132407021 is 120704231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 132407021 - 2² = 132407017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 132406984 and 132407002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132407321) 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, 5291 + ... + 17111.

It is an arithmetic number, because the mean of its divisors is an integer number (17307408).

Almost surely, 2^132407021 is an apocalyptic number.

It is an amenable number.

132407021 is a deficient number, since it is larger than the sum of its proper divisors (6052243).

132407021 is a wasteful number, since it uses less digits than its factorization.

132407021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12331.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 132407021 is about 11506.8249747704. The cubic root of 132407021 is about 509.6871347778.

The spelling of 132407021 in words is "one hundred thirty-two million, four hundred seven thousand, twenty-one".