133406132 has 6 divisors (see below), whose sum is σ = 233460738. Its totient is φ = 66703064.

The previous prime is 133406131. The next prime is 133406159. The reversal of 133406132 is 231604331.

It can be written as a sum of positive squares in only one way, i.e., 114361636 + 19044496 = 10694^2 + 4364^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133406098 and 133406107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133406131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16675763 + ... + 16675770.

It is an arithmetic number, because the mean of its divisors is an integer number (38910123).

Almost surely, 2^133406132 is an apocalyptic number.

It is an amenable number.

133406132 is a deficient number, since it is larger than the sum of its proper divisors (100054606).

133406132 is a wasteful number, since it uses less digits than its factorization.

133406132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33351537 (or 33351535 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 133406132 is about 11550.1572283671. The cubic root of 133406132 is about 510.9659151875.

The spelling of 133406132 in words is "one hundred thirty-three million, four hundred six thousand, one hundred thirty-two".