133554314443451 has 16 divisors (see below), whose sum is σ = 145791218943360. Its totient is φ = 121333352038080.

The previous prime is 133554314443447. The next prime is 133554314443453. The reversal of 133554314443451 is 154344413455331.

It is a cyclic number.

It is not a de Polignac number, because 133554314443451 - 2² = 133554314443447 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 133554314443451.

It is not an unprimeable number, because it can be changed into a prime (133554314443453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341184320 + ... + 341575538.

It is an arithmetic number, because the mean of its divisors is an integer number (9111951183960).

Almost surely, 2^{133554314443451} is an apocalyptic number.

133554314443451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133554314443451 is a deficient number, since it is larger than the sum of its proper divisors (12236904499909).

133554314443451 is a wasteful number, since it uses less digits than its factorization.

133554314443451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411514.

The product of its digits is 10368000, while the sum is 50.

Adding to 133554314443451 its reverse (154344413455331), we get a palindrome (287898727898782).

The spelling of 133554314443451 in words is "one hundred thirty-three trillion, five hundred fifty-four billion, three hundred fourteen million, four hundred forty-three thousand, four hundred fifty-one".