43137313906 has 16 divisors (see below), whose sum is σ = 65026960128. Its totient is φ = 21461706000.

The previous prime is 43137313873. The next prime is 43137313927. The reversal of 43137313906 is 60931373134.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2650911 + ... + 2667133.

It is an arithmetic number, because the mean of its divisors is an integer number (4064185008).

Almost surely, 2^43137313906 is an apocalyptic number.

43137313906 is a deficient number, since it is larger than the sum of its proper divisors (21889646222).

43137313906 is a wasteful number, since it uses less digits than its factorization.

43137313906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22737.

The product of its (nonzero) digits is 122472, while the sum is 40.

The spelling of 43137313906 in words is "forty-three billion, one hundred thirty-seven million, three hundred thirteen thousand, nine hundred six".