133723140853 has 4 divisors (see below), whose sum is σ = 141589207980. Its totient is φ = 125857073728.

The previous prime is 133723140833. The next prime is 133723140877. The reversal of 133723140853 is 358041327331.

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 82792581169 + 50930559684 = 287737^2 + 225678^2 .

It is a cyclic number.

It is not a de Polignac number, because 133723140853 - 2¹⁷ = 133723009781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133723140833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3933033538 + ... + 3933033571.

It is an arithmetic number, because the mean of its divisors is an integer number (35397301995).

Almost surely, 2^133723140853 is an apocalyptic number.

It is an amenable number.

133723140853 is a deficient number, since it is larger than the sum of its proper divisors (7866067127).

133723140853 is an equidigital number, since it uses as much as digits as its factorization.

133723140853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7866067126.

The product of its (nonzero) digits is 181440, while the sum is 40.

It can be divided in two parts, 133723 and 140853, that added together give a square (274576 = 524²).

The spelling of 133723140853 in words is "one hundred thirty-three billion, seven hundred twenty-three million, one hundred forty thousand, eight hundred fifty-three".