43520131142 has 8 divisors (see below), whose sum is σ = 68715996600. Its totient is φ = 20614798944.

The previous prime is 43520131141. The next prime is 43520131147. The reversal of 43520131142 is 24113102534.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43520131141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572633267 + ... + 572633342.

It is an arithmetic number, because the mean of its divisors is an integer number (8589499575).

Almost surely, 2^43520131142 is an apocalyptic number.

43520131142 is a deficient number, since it is larger than the sum of its proper divisors (25195865458).

43520131142 is a wasteful number, since it uses less digits than its factorization.

43520131142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145266630.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 43520131142 its reverse (24113102534), we get a palindrome (67633233676).

The spelling of 43520131142 in words is "forty-three billion, five hundred twenty million, one hundred thirty-one thousand, one hundred forty-two".