133125721343 has 8 divisors (see below), whose sum is σ = 138920116608. Its totient is φ = 127331852824.

The previous prime is 133125721331. The next prime is 133125721357. The reversal of 133125721343 is 343127521331.

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 133125721343 - 2¹⁸ = 133125459199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133125721373) 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, 437096 + ... + 676242.

It is an arithmetic number, because the mean of its divisors is an integer number (17365014576).

Almost surely, 2^133125721343 is an apocalyptic number.

133125721343 is a deficient number, since it is larger than the sum of its proper divisors (5794395265).

133125721343 is a wasteful number, since it uses less digits than its factorization.

133125721343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263373.

The product of its digits is 45360, while the sum is 35.

The spelling of 133125721343 in words is "one hundred thirty-three billion, one hundred twenty-five million, seven hundred twenty-one thousand, three hundred forty-three".