43113134 has 4 divisors (see below), whose sum is σ = 64669704. Its totient is φ = 21556566.

The previous prime is 43113131. The next prime is 43113137. The reversal of 43113134 is 43131134.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43131134 = 2 ⋅21565567.

It is an interprime number because it is at equal distance from previous prime (43113131) and next prime (43113137).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43113131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10778282 + ... + 10778285.

It is an arithmetic number, because the mean of its divisors is an integer number (16167426).

Almost surely, 2^43113134 is an apocalyptic number.

43113134 is a deficient number, since it is larger than the sum of its proper divisors (21556570).

43113134 is a wasteful number, since it uses less digits than its factorization.

43113134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21556569.

The product of its digits is 432, while the sum is 20.

The square root of 43113134 is about 6566.0592443261. The cubic root of 43113134 is about 350.6467876963.

Adding to 43113134 its reverse (43131134), we get a palindrome (86244268).

The spelling of 43113134 in words is "forty-three million, one hundred thirteen thousand, one hundred thirty-four".