133740020233 has 8 divisors (see below), whose sum is σ = 137469567816. Its totient is φ = 130032739200.

The previous prime is 133740020207. The next prime is 133740020251. The reversal of 133740020233 is 332020047331.

It can be written as a sum of positive squares in 4 ways, for example, as 341954064 + 133398066169 = 18492^2 + 365237^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133740020233 - 2¹³ = 133740012041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133740020203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5554458 + ... + 5578483.

It is an arithmetic number, because the mean of its divisors is an integer number (17183695977).

Almost surely, 2^133740020233 is an apocalyptic number.

It is an amenable number.

133740020233 is a deficient number, since it is larger than the sum of its proper divisors (3729547583).

133740020233 is a wasteful number, since it uses less digits than its factorization.

133740020233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11133275.

The product of its (nonzero) digits is 9072, while the sum is 28.

Adding to 133740020233 its reverse (332020047331), we get a palindrome (465760067564).

The spelling of 133740020233 in words is "one hundred thirty-three billion, seven hundred forty million, twenty thousand, two hundred thirty-three".