133103133 has 6 divisors (see below), whose sum is σ = 192260094. Its totient is φ = 88735416.

The previous prime is 133103129. The next prime is 133103137. The reversal of 133103133 is 331301331.

It is an interprime number because it is at equal distance from previous prime (133103129) and next prime (133103137).

It can be written as a sum of positive squares in only one way, i.e., 130370724 + 2732409 = 11418^2 + 1653^2 .

It is not a de Polignac number, because 133103133 - 2² = 133103129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133103137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7394610 + ... + 7394627.

It is an arithmetic number, because the mean of its divisors is an integer number (32043349).

Almost surely, 2^133103133 is an apocalyptic number.

It is an amenable number.

133103133 is a deficient number, since it is larger than the sum of its proper divisors (59156961).

133103133 is a wasteful number, since it uses less digits than its factorization.

133103133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14789243 (or 14789240 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 18.

The square root of 133103133 is about 11537.0331108132. The cubic root of 133103133 is about 510.5787777535.

Adding to 133103133 its reverse (331301331), we get a palindrome (464404464).

The spelling of 133103133 in words is "one hundred thirty-three million, one hundred three thousand, one hundred thirty-three".