43138415336 has 8 divisors (see below), whose sum is σ = 80884528770. Its totient is φ = 21569207664.

The previous prime is 43138415303. The next prime is 43138415339. The reversal of 43138415336 is 63351483134.

It can be written as a sum of positive squares in only one way, i.e., 42068471236 + 1069944100 = 205106^2 + 32710^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 43138415293 and 43138415302.

It is not an unprimeable number, because it can be changed into a prime (43138415339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2696150951 + ... + 2696150966.

Almost surely, 2^43138415336 is an apocalyptic number.

It is an amenable number.

43138415336 is a deficient number, since it is larger than the sum of its proper divisors (37746113434).

43138415336 is a wasteful number, since it uses less digits than its factorization.

43138415336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5392301923 (or 5392301919 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The spelling of 43138415336 in words is "forty-three billion, one hundred thirty-eight million, four hundred fifteen thousand, three hundred thirty-six".