137248 has 12 divisors (see below), whose sum is σ = 270270. Its totient is φ = 68608.

The previous prime is 137239. The next prime is 137251. The reversal of 137248 is 842731.

It can be written as a sum of positive squares in only one way, i.e., 85264 + 51984 = 292^2 + 228^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

137248 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 as a sum of consecutive naturals, namely, 2113 + ... + 2176.

2¹³⁷²⁴⁸ is an apocalyptic number.

It is an amenable number.

137248 is a deficient number, since it is larger than the sum of its proper divisors (133022).

137248 is an equidigital number, since it uses as much as digits as its factorization.

137248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4299 (or 4291 counting only the distinct ones).

The product of its digits is 1344, while the sum is 25.

The square root of 137248 is about 370.4699717926. The cubic root of 137248 is about 51.5824550250.

Adding to 137248 its reverse (842731), we get a palindrome (979979).

It can be divided in two parts, 1372 and 48, that multiplied together give a palindrome (65856).

The spelling of 137248 in words is "one hundred thirty-seven thousand, two hundred forty-eight".