134661212033 has 4 divisors (see below), whose sum is σ = 136868772948. Its totient is φ = 132453651120.

The previous prime is 134661212011. The next prime is 134661212051. The reversal of 134661212033 is 330212166431.

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 16003009009 + 118658203024 = 126503^2 + 344468^2 .

It is a cyclic number.

It is not a de Polignac number, because 134661212033 - 2⁸ = 134661211777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134661212053) 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, 1103780366 + ... + 1103780487.

It is an arithmetic number, because the mean of its divisors is an integer number (34217193237).

Almost surely, 2^134661212033 is an apocalyptic number.

It is an amenable number.

134661212033 is a deficient number, since it is larger than the sum of its proper divisors (2207560915).

134661212033 is an equidigital number, since it uses as much as digits as its factorization.

134661212033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207560914.

The product of its (nonzero) digits is 15552, while the sum is 32.

Adding to 134661212033 its reverse (330212166431), we get a palindrome (464873378464).

The spelling of 134661212033 in words is "one hundred thirty-four billion, six hundred sixty-one million, two hundred twelve thousand, thirty-three".