133103455 has 32 divisors (see below), whose sum is σ = 180619200. Its totient is φ = 93560832.

The previous prime is 133103449. The next prime is 133103459. The reversal of 133103455 is 554301331.

It is a cyclic number.

It is not a de Polignac number, because 133103455 - 2¹⁵ = 133070687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133103459) 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 31 ways as a sum of consecutive naturals, for example, 117331 + ... + 118459.

It is an arithmetic number, because the mean of its divisors is an integer number (5644350).

Almost surely, 2^133103455 is an apocalyptic number.

133103455 is a deficient number, since it is larger than the sum of its proper divisors (47515745).

133103455 is a wasteful number, since it uses less digits than its factorization.

133103455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 133103455 is about 11537.0470658657. The cubic root of 133103455 is about 510.5791894800.

Adding to 133103455 its reverse (554301331), we get a palindrome (687404786).

The spelling of 133103455 in words is "one hundred thirty-three million, one hundred three thousand, four hundred fifty-five".