133802748 has 36 divisors (see below), whose sum is σ = 338574600. Its totient is φ = 44554656.

The previous prime is 133802729. The next prime is 133802771. The reversal of 133802748 is 847208331.

133802748 is a `hidden beast` number, since 1 + 3 + 380 + 274 + 8 = 666.

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 congruent number.

It is an unprimeable number.

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, 67678 + ... + 69626.

It is an arithmetic number, because the mean of its divisors is an integer number (9404850).

Almost surely, 2^133802748 is an apocalyptic number.

133802748 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

133802748 is an abundant number, since it is smaller than the sum of its proper divisors (204771852).

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

133802748 is a wasteful number, since it uses less digits than its factorization.

133802748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3866 (or 3861 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 133802748 is about 11567.3137763268. The cubic root of 133802748 is about 511.4717808783.

The spelling of 133802748 in words is "one hundred thirty-three million, eight hundred two thousand, seven hundred forty-eight".