43967352136 has 16 divisors (see below), whose sum is σ = 82619183340. Its totient is φ = 21935569920.

The previous prime is 43967352113. The next prime is 43967352137. The reversal of 43967352136 is 63125376934.

It can be written as a sum of positive squares in 2 ways, for example, as 40124096100 + 3843256036 = 200310^2 + 61994^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43967352136.

It is not an unprimeable number, because it can be changed into a prime (43967352137) 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, 6009385 + ... + 6016696.

Almost surely, 2^43967352136 is an apocalyptic number.

It is an amenable number.

43967352136 is a deficient number, since it is larger than the sum of its proper divisors (38651831204).

43967352136 is a wasteful number, since it uses less digits than its factorization.

43967352136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12026544 (or 12026540 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 49.

The spelling of 43967352136 in words is "forty-three billion, nine hundred sixty-seven million, three hundred fifty-two thousand, one hundred thirty-six".