132672181 has 2 divisors, whose sum is σ = 132672182. Its totient is φ = 132672180.

The previous prime is 132672103. The next prime is 132672217. The reversal of 132672181 is 181276231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121749156 + 10923025 = 11034^2 + 3305^2 .

It is a cyclic number.

It is not a de Polignac number, because 132672181 - 2²³ = 124283573 is a prime.

It is a super-2 number, since 2×132672181² = 35203815222593522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132672101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66336090 + 66336091.

It is an arithmetic number, because the mean of its divisors is an integer number (66336091).

Almost surely, 2^132672181 is an apocalyptic number.

It is an amenable number.

132672181 is a deficient number, since it is larger than the sum of its proper divisors (1).

132672181 is an equidigital number, since it uses as much as digits as its factorization.

132672181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 31.

The square root of 132672181 is about 11518.3410697895. The cubic root of 132672181 is about 510.0271432433.

The spelling of 132672181 in words is "one hundred thirty-two million, six hundred seventy-two thousand, one hundred eighty-one".