943694136 has 144 divisors (see below), whose sum is σ = 3243534840. Its totient is φ = 245105280.

The previous prime is 943694131. The next prime is 943694149. The reversal of 943694136 is 631496349.

943694136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 943694091 and 943694100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (943694131) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 26650 + ... + 50966.

Almost surely, 2^943694136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 943694136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1621767420).

943694136 is an abundant number, since it is smaller than the sum of its proper divisors (2299840704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

943694136 is a wasteful number, since it uses less digits than its factorization.

943694136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24354 (or 24340 counting only the distinct ones).

The product of its digits is 419904, while the sum is 45.

The square root of 943694136 is about 30719.6050755865. The cubic root of 943694136 is about 980.8676669373.

The spelling of 943694136 in words is "nine hundred forty-three million, six hundred ninety-four thousand, one hundred thirty-six".