133553707 has 8 divisors (see below), whose sum is σ = 153075456. Its totient is φ = 114142632.

The previous prime is 133553701. The next prime is 133553711. The reversal of 133553707 is 707355331.

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 133553707 - 2³ = 133553699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133553701) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 25063 + ... + 29920.

It is an arithmetic number, because the mean of its divisors is an integer number (19134432).

Almost surely, 2^133553707 is an apocalyptic number.

133553707 is a deficient number, since it is larger than the sum of its proper divisors (19521749).

133553707 is an equidigital number, since it uses as much as digits as its factorization.

133553707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55337.

The product of its (nonzero) digits is 33075, while the sum is 34.

The square root of 133553707 is about 11556.5439037802. The cubic root of 133553707 is about 511.1542573725.

The spelling of 133553707 in words is "one hundred thirty-three million, five hundred fifty-three thousand, seven hundred seven".