132345021 has 8 divisors (see below), whose sum is σ = 177164064. Its totient is φ = 87878000.

The previous prime is 132344981. The next prime is 132345029. The reversal of 132345021 is 120543231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132345021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132345029) 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, 87126 + ... + 88631.

It is an arithmetic number, because the mean of its divisors is an integer number (22145508).

Almost surely, 2^132345021 is an apocalyptic number.

It is an amenable number.

132345021 is a deficient number, since it is larger than the sum of its proper divisors (44819043).

132345021 is a wasteful number, since it uses less digits than its factorization.

132345021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176011.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 132345021 is about 11504.1306060041. The cubic root of 132345021 is about 509.6075681613.

Adding to 132345021 its reverse (120543231), we get a palindrome (252888252).

The spelling of 132345021 in words is "one hundred thirty-two million, three hundred forty-five thousand, twenty-one".