133496832 has 136 divisors (see below), whose sum is σ = 411038656. Its totient is φ = 37748736.

The previous prime is 133496813. The next prime is 133496849. The reversal of 133496832 is 238694331.

It is a nialpdrome in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1376208 + ... + 1376304.

Almost surely, 2^133496832 is an apocalyptic number.

133496832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133496832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205519328).

133496832 is an abundant number, since it is smaller than the sum of its proper divisors (277541824).

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

133496832 is an frugal number, since it uses more digits than its factorization.

133496832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 109 counting only the distinct ones).

The product of its digits is 93312, while the sum is 39.

The square root of 133496832 is about 11554.0829147103. The cubic root of 133496832 is about 511.0816872510.

The spelling of 133496832 in words is "one hundred thirty-three million, four hundred ninety-six thousand, eight hundred thirty-two".