133706496 has 432 divisors, whose sum is σ = 503314560. Its totient is φ = 30965760.

The previous prime is 133706483. The next prime is 133706497. The reversal of 133706496 is 694607331.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (133706497) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7037175 + ... + 7037193.

It is an arithmetic number, because the mean of its divisors is an integer number (1165080).

Almost surely, 2^133706496 is an apocalyptic number.

133706496 is a gapful number since it is divisible by the number (16) 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 133706496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251657280).

133706496 is an abundant number, since it is smaller than the sum of its proper divisors (369608064).

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

133706496 is a wasteful number, since it uses less digits than its factorization.

133706496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 133706496 is about 11563.1525113180. The cubic root of 133706496 is about 511.3491077842.

The spelling of 133706496 in words is "one hundred thirty-three million, seven hundred six thousand, four hundred ninety-six".