133440341401 has 4 divisors (see below), whose sum is σ = 134621229492. Its totient is φ = 132259453312.

The previous prime is 133440341341. The next prime is 133440341479. The reversal of 133440341401 is 104143044331.

It is a happy number.

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 75349701001 + 58090640400 = 274499^2 + 241020^2 .

It is a cyclic number.

It is not a de Polignac number, because 133440341401 - 2²¹ = 133438244249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133440341401.

It is not an unprimeable number, because it can be changed into a prime (133440311401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590443876 + ... + 590444101.

It is an arithmetic number, because the mean of its divisors is an integer number (33655307373).

Almost surely, 2^133440341401 is an apocalyptic number.

It is an amenable number.

133440341401 is a deficient number, since it is larger than the sum of its proper divisors (1180888091).

133440341401 is a wasteful number, since it uses less digits than its factorization.

133440341401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180888090.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 133440341401 its reverse (104143044331), we get a palindrome (237583385732).

The spelling of 133440341401 in words is "one hundred thirty-three billion, four hundred forty million, three hundred forty-one thousand, four hundred one".