137489 has 8 divisors (see below), whose sum is σ = 155520. Its totient is φ = 120400.

The previous prime is 137483. The next prime is 137491. The reversal of 137489 is 984731.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137489 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (137483) 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, 104 + ... + 534.

It is an arithmetic number, because the mean of its divisors is an integer number (19440).

2¹³⁷⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

137489 is a deficient number, since it is larger than the sum of its proper divisors (18031).

137489 is a wasteful number, since it uses less digits than its factorization.

137489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471.

The product of its digits is 6048, while the sum is 32.

The square root of 137489 is about 370.7950916611. The cubic root of 137489 is about 51.6126293626.

It can be divided in two parts, 137 and 489, that added together give a palindrome (626).

The spelling of 137489 in words is "one hundred thirty-seven thousand, four hundred eighty-nine".