137471839 has 4 divisors (see below), whose sum is σ = 137499856. Its totient is φ = 137443824.

The previous prime is 137471819. The next prime is 137471863. The reversal of 137471839 is 938174731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 137471839 - 2¹¹ = 137469791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137471795 and 137471804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137471819) 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, 4494 + ... + 17179.

It is an arithmetic number, because the mean of its divisors is an integer number (34374964).

Almost surely, 2^137471839 is an apocalyptic number.

137471839 is a deficient number, since it is larger than the sum of its proper divisors (28017).

137471839 is an equidigital number, since it uses as much as digits as its factorization.

137471839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28016.

The product of its digits is 127008, while the sum is 43.

The square root of 137471839 is about 11724.8385489950. The cubic root of 137471839 is about 516.1048189098.

The spelling of 137471839 in words is "one hundred thirty-seven million, four hundred seventy-one thousand, eight hundred thirty-nine".