133440261544351 has 8 divisors (see below), whose sum is σ = 141488713741680. Its totient is φ = 125494337400768.

The previous prime is 133440261544307. The next prime is 133440261544363. The reversal of 133440261544351 is 153445162044331.

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 133440261544351 - 2¹¹ = 133440261542303 is a prime.

It is a super-3 number, since 3×133440261544351³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133440261545351) 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, 25632010756 + ... + 25632015961.

It is an arithmetic number, because the mean of its divisors is an integer number (17686089217710).

Almost surely, 2^{133440261544351} is an apocalyptic number.

133440261544351 is a deficient number, since it is larger than the sum of its proper divisors (8048452197329).

133440261544351 is a wasteful number, since it uses less digits than its factorization.

133440261544351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51264026873.

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 133440261544351 in words is "one hundred thirty-three trillion, four hundred forty billion, two hundred sixty-one million, five hundred forty-four thousand, three hundred fifty-one".