132161636 has 12 divisors (see below), whose sum is σ = 233330412. Its totient is φ = 65495808.

The previous prime is 132161597. The next prime is 132161639. The reversal of 132161636 is 636161231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30030400 + 102131236 = 5480^2 + 10106^2 .

It is a junction number, because it is equal to n+sod(n) for n = 132161599 and 132161608.

It is not an unprimeable number, because it can be changed into a prime (132161639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145745 + ... + 146648.

It is an arithmetic number, because the mean of its divisors is an integer number (19444201).

Almost surely, 2^132161636 is an apocalyptic number.

It is an amenable number.

132161636 is a deficient number, since it is larger than the sum of its proper divisors (101168776).

132161636 is a wasteful number, since it uses less digits than its factorization.

132161636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292510 (or 292508 counting only the distinct ones).

The product of its digits is 3888, while the sum is 29.

The square root of 132161636 is about 11496.1574449900. The cubic root of 132161636 is about 509.3720786765.

The spelling of 132161636 in words is "one hundred thirty-two million, one hundred sixty-one thousand, six hundred thirty-six".