43136133007557 has 4 divisors (see below), whose sum is σ = 57514844010080. Its totient is φ = 28757422005036.

The previous prime is 43136133007553. The next prime is 43136133007573. The reversal of 43136133007557 is 75570033163134.

43136133007557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 43136133007557 - 2² = 43136133007553 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43136133007553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7189355501257 + ... + 7189355501262.

It is an arithmetic number, because the mean of its divisors is an integer number (14378711002520).

Almost surely, 2^{43136133007557} is an apocalyptic number.

It is an amenable number.

43136133007557 is a deficient number, since it is larger than the sum of its proper divisors (14378711002523).

43136133007557 is a wasteful number, since it uses less digits than its factorization.

43136133007557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14378711002522.

The product of its (nonzero) digits is 2381400, while the sum is 48.

The spelling of 43136133007557 in words is "forty-three trillion, one hundred thirty-six billion, one hundred thirty-three million, seven thousand, five hundred fifty-seven".