132172427 has 2 divisors, whose sum is σ = 132172428. Its totient is φ = 132172426.

The previous prime is 132172423. The next prime is 132172457. The reversal of 132172427 is 724271231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 132172427 - 2² = 132172423 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 132172427.

It is not a weakly prime, because it can be changed into another prime (132172423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66086213 + 66086214.

It is an arithmetic number, because the mean of its divisors is an integer number (66086214).

Almost surely, 2^132172427 is an apocalyptic number.

132172427 is a deficient number, since it is larger than the sum of its proper divisors (1).

132172427 is an equidigital number, since it uses as much as digits as its factorization.

132172427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 29.

The square root of 132172427 is about 11496.6267661432. The cubic root of 132172427 is about 509.3859417123.

The spelling of 132172427 in words is "one hundred thirty-two million, one hundred seventy-two thousand, four hundred twenty-seven".