137368 has 32 divisors (see below), whose sum is σ = 322560. Its totient is φ = 53280.

The previous prime is 137363. The next prime is 137369. The reversal of 137368 is 863731.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137363) by changing a digit.

137368 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505 + ... + 727.

It is an arithmetic number, because the mean of its divisors is an integer number (10080).

2¹³⁷³⁶⁸ 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 137368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161280).

137368 is an abundant number, since it is smaller than the sum of its proper divisors (185192).

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

137368 is a wasteful number, since it uses less digits than its factorization.

137368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 243 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 137368 is about 370.6318928533. The cubic root of 137368 is about 51.5974840029.

It can be divided in two parts, 1373 and 68, that added together give a palindrome (1441).

The spelling of 137368 in words is "one hundred thirty-seven thousand, three hundred sixty-eight".