133494732 has 36 divisors (see below), whose sum is σ = 385652176. Its totient is φ = 38141280.

The previous prime is 133494731. The next prime is 133494733. The reversal of 133494732 is 237494331.

133494732 is a `hidden beast` number, since 133 + 494 + 7 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (133494731) and next prime (133494733).

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (133494731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 264619 + ... + 265122.

Almost surely, 2^133494732 is an apocalyptic number.

133494732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133494732 is an abundant number, since it is smaller than the sum of its proper divisors (252157444).

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

133494732 is a wasteful number, since it uses less digits than its factorization.

133494732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529758 (or 529753 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 133494732 is about 11553.9920373869. The cubic root of 133494732 is about 511.0790073443.

It can be divided in two parts, 13349 and 4732, that added together give a palindrome (18081).

The spelling of 133494732 in words is "one hundred thirty-three million, four hundred ninety-four thousand, seven hundred thirty-two".