137944843 has 8 divisors (see below), whose sum is σ = 141908112. Its totient is φ = 133994016.

The previous prime is 137944819. The next prime is 137944861. The reversal of 137944843 is 348449731.

137944843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137944843 - 2⁵ = 137944811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137944843.

It is not an unprimeable number, because it can be changed into a prime (137944243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22296 + ... + 27802.

It is an arithmetic number, because the mean of its divisors is an integer number (17738514).

Almost surely, 2^137944843 is an apocalyptic number.

137944843 is a deficient number, since it is larger than the sum of its proper divisors (3963269).

137944843 is an equidigital number, since it uses as much as digits as its factorization.

137944843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6221.

The product of its digits is 290304, while the sum is 43.

The square root of 137944843 is about 11744.9922520196. The cubic root of 137944843 is about 516.6960677453.

The spelling of 137944843 in words is "one hundred thirty-seven million, nine hundred forty-four thousand, eight hundred forty-three".