133986132 has 72 divisors (see below), whose sum is σ = 403917696. Its totient is φ = 36615744.

The previous prime is 133986101. The next prime is 133986161. The reversal of 133986132 is 231689331.

133986132 is a `hidden beast` number, since 1 + 3 + 39 + 8 + 613 + 2 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5763 + ... + 17354.

It is an arithmetic number, because the mean of its divisors is an integer number (5609968).

Almost surely, 2^133986132 is an apocalyptic number.

133986132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133986132 is an abundant number, since it is smaller than the sum of its proper divisors (269931564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133986132 is a wasteful number, since it uses less digits than its factorization.

133986132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23157 (or 23152 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 133986132 is about 11575.2378809250. The cubic root of 133986132 is about 511.7053409118.

The spelling of 133986132 in words is "one hundred thirty-three million, nine hundred eighty-six thousand, one hundred thirty-two".