133928496 has 120 divisors (see below), whose sum is σ = 417733680. Its totient is φ = 39771648.

The previous prime is 133928479. The next prime is 133928503. The reversal of 133928496 is 694829331.

It is a happy number.

133928496 is a `hidden beast` number, since 133 + 9 + 28 + 496 = 666.

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

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, 53055 + ... + 55521.

It is an arithmetic number, because the mean of its divisors is an integer number (3481114).

Almost surely, 2^133928496 is an apocalyptic number.

133928496 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 133928496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208866840).

133928496 is an abundant number, since it is smaller than the sum of its proper divisors (283805184).

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

133928496 is a wasteful number, since it uses less digits than its factorization.

133928496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523 (or 2514 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 133928496 is about 11572.7479882697. The cubic root of 133928496 is about 511.6319579965.

The spelling of 133928496 in words is "one hundred thirty-three million, nine hundred twenty-eight thousand, four hundred ninety-six".