133455313403 has 6 divisors (see below), whose sum is σ = 135678974652. Its totient is φ = 131267517720.

The previous prime is 133455313373. The next prime is 133455313423. The reversal of 133455313403 is 304313554331.

It is a happy number.

It is not a de Polignac number, because 133455313403 - 2²⁸ = 133186877947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133455313423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17929001 + ... + 17936442.

It is an arithmetic number, because the mean of its divisors is an integer number (22613162442).

Almost surely, 2^133455313403 is an apocalyptic number.

133455313403 is a deficient number, since it is larger than the sum of its proper divisors (2223661249).

133455313403 is an frugal number, since it uses more digits than its factorization.

133455313403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35865565 (or 35865504 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 35.

Adding to 133455313403 its reverse (304313554331), we get a palindrome (437768867734).

The spelling of 133455313403 in words is "one hundred thirty-three billion, four hundred fifty-five million, three hundred thirteen thousand, four hundred three".