133750968 has 128 divisors (see below), whose sum is σ = 386104320. Its totient is φ = 38246400.

The previous prime is 133750933. The next prime is 133750973. The reversal of 133750968 is 869057331.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 800821 + ... + 800987.

It is an arithmetic number, because the mean of its divisors is an integer number (3016440).

Almost surely, 2^133750968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133750968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193052160).

133750968 is an abundant number, since it is smaller than the sum of its proper divisors (252353352).

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

133750968 is a wasteful number, since it uses less digits than its factorization.

133750968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 133750968 is about 11565.0753564341. The cubic root of 133750968 is about 511.4057946254.

The spelling of 133750968 in words is "one hundred thirty-three million, seven hundred fifty thousand, nine hundred sixty-eight".