133029101 has 4 divisors (see below), whose sum is σ = 134523900. Its totient is φ = 131534304.

The previous prime is 133029049. The next prime is 133029107. The reversal of 133029101 is 101920331.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9796900 + 123232201 = 3130^2 + 11101^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133029101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133029107) 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, 747266 + ... + 747443.

It is an arithmetic number, because the mean of its divisors is an integer number (33630975).

Almost surely, 2^133029101 is an apocalyptic number.

It is an amenable number.

133029101 is a deficient number, since it is larger than the sum of its proper divisors (1494799).

133029101 is an equidigital number, since it uses as much as digits as its factorization.

133029101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494798.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 133029101 is about 11533.8242140237. The cubic root of 133029101 is about 510.4840988446.

Adding to 133029101 its reverse (101920331), we get a palindrome (234949432).

The spelling of 133029101 in words is "one hundred thirty-three million, twenty-nine thousand, one hundred one".