133750969 has 8 divisors (see below), whose sum is σ = 146841408. Its totient is φ = 120815760.

The previous prime is 133750933. The next prime is 133750973. The reversal of 133750969 is 969057331.

133750969 = 3482² + 3483² + ... + 3492².

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133750969 - 2⁹ = 133750457 is a prime.

It is a super-3 number, since 3×133750969³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133750909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36997 + ... + 40450.

It is an arithmetic number, because the mean of its divisors is an integer number (18355176).

Almost surely, 2^133750969 is an apocalyptic number.

It is an amenable number.

133750969 is a deficient number, since it is larger than the sum of its proper divisors (13090439).

133750969 is a wasteful number, since it uses less digits than its factorization.

133750969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77615.

The product of its (nonzero) digits is 153090, while the sum is 43.

The square root of 133750969 is about 11565.0753996677. The cubic root of 133750969 is about 511.4057959000.

The spelling of 133750969 in words is "one hundred thirty-three million, seven hundred fifty thousand, nine hundred sixty-nine".