133402103 has 4 divisors (see below), whose sum is σ = 133436688. Its totient is φ = 133367520.

The previous prime is 133402099. The next prime is 133402141. The reversal of 133402103 is 301204331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133402103 - 2² = 133402099 is a prime.

It is a super-2 number, since 2×133402103² = 35592242169645218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133402153) 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, 10658 + ... + 19503.

It is an arithmetic number, because the mean of its divisors is an integer number (33359172).

Almost surely, 2^133402103 is an apocalyptic number.

133402103 is a deficient number, since it is larger than the sum of its proper divisors (34585).

133402103 is an equidigital number, since it uses as much as digits as its factorization.

133402103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34584.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 133402103 is about 11549.9828138400. The cubic root of 133402103 is about 510.9607712401.

Adding to 133402103 its reverse (301204331), we get a palindrome (434606434).

The spelling of 133402103 in words is "one hundred thirty-three million, four hundred two thousand, one hundred three".