133550103 has 4 divisors (see below), whose sum is σ = 178066808. Its totient is φ = 89033400.

The previous prime is 133550101. The next prime is 133550117. The reversal of 133550103 is 301055331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301055331 = 3 ⋅100351777.

It is not a de Polignac number, because 133550103 - 2¹ = 133550101 is a prime.

It is a super-2 number, since 2×133550103² = 35671260022621218, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133550103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133550101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22258348 + ... + 22258353.

It is an arithmetic number, because the mean of its divisors is an integer number (44516702).

Almost surely, 2^133550103 is an apocalyptic number.

133550103 is a deficient number, since it is larger than the sum of its proper divisors (44516705).

133550103 is an equidigital number, since it uses as much as digits as its factorization.

133550103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44516704.

The product of its (nonzero) digits is 675, while the sum is 21.

The square root of 133550103 is about 11556.3879737572. The cubic root of 133550103 is about 511.1496594307.

The spelling of 133550103 in words is "one hundred thirty-three million, five hundred fifty thousand, one hundred three".