137444 has 6 divisors (see below), whose sum is σ = 240534. Its totient is φ = 68720.

The previous prime is 137443. The next prime is 137447. The reversal of 137444 is 444731.

It can be written as a sum of positive squares in only one way, i.e., 131044 + 6400 = 362^2 + 80^2 .

It is a plaindrome in base 7 and base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 137444.

It is not an unprimeable number, because it can be changed into a prime (137443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17177 + ... + 17184.

It is an arithmetic number, because the mean of its divisors is an integer number (40089).

2¹³⁷⁴⁴⁴ is an apocalyptic number.

It is an amenable number.

137444 is a deficient number, since it is larger than the sum of its proper divisors (103090).

137444 is a wasteful number, since it uses less digits than its factorization.

137444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34365 (or 34363 counting only the distinct ones).

The product of its digits is 1344, while the sum is 23.

The square root of 137444 is about 370.7344062803. The cubic root of 137444 is about 51.6069978291.

The spelling of 137444 in words is "one hundred thirty-seven thousand, four hundred forty-four".