43013121134 has 16 divisors (see below), whose sum is σ = 64904636448. Its totient is φ = 21378288672.

The previous prime is 43013121133. The next prime is 43013121143. The reversal of 43013121134 is 43112131034.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43013121131) 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, 2995079 + ... + 3009405.

It is an arithmetic number, because the mean of its divisors is an integer number (4056539778).

Almost surely, 2^43013121134 is an apocalyptic number.

43013121134 is a deficient number, since it is larger than the sum of its proper divisors (21891515314).

43013121134 is a wasteful number, since it uses less digits than its factorization.

43013121134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23179.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 43013121134 its reverse (43112131034), we get a palindrome (86125252168).

The spelling of 43013121134 in words is "forty-three billion, thirteen million, one hundred twenty-one thousand, one hundred thirty-four".