133755953 has 8 divisors (see below), whose sum is σ = 142044000. Its totient is φ = 125592768.

The previous prime is 133755913. The next prime is 133755961. The reversal of 133755953 is 359557331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133755953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133755953.

It is not an unprimeable number, because it can be changed into a prime (133755913) 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, 29003 + ... + 33296.

It is an arithmetic number, because the mean of its divisors is an integer number (17755500).

Almost surely, 2^133755953 is an apocalyptic number.

It is an amenable number.

133755953 is a deficient number, since it is larger than the sum of its proper divisors (8288047).

133755953 is a wasteful number, since it uses less digits than its factorization.

133755953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62431.

The product of its digits is 212625, while the sum is 41.

The square root of 133755953 is about 11565.2908739902. The cubic root of 133755953 is about 511.4121480404.

The spelling of 133755953 in words is "one hundred thirty-three million, seven hundred fifty-five thousand, nine hundred fifty-three".