137244489 has 8 divisors (see below), whose sum is σ = 184612512. Its totient is φ = 90686400.

The previous prime is 137244479. The next prime is 137244493. The reversal of 137244489 is 984442731.

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

It is not a de Polignac number, because 137244489 - 2¹⁹ = 136720201 is a prime.

It is a super-2 number, since 2×137244489² = 37672099521742242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 137244489.

It is not an unprimeable number, because it can be changed into a prime (137244469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202087 + ... + 202764.

It is an arithmetic number, because the mean of its divisors is an integer number (23076564).

Almost surely, 2^137244489 is an apocalyptic number.

It is an amenable number.

137244489 is a deficient number, since it is larger than the sum of its proper divisors (47368023).

137244489 is a wasteful number, since it uses less digits than its factorization.

137244489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404967.

The product of its digits is 193536, while the sum is 42.

The square root of 137244489 is about 11715.1393077505. The cubic root of 137244489 is about 515.8201517025.

The spelling of 137244489 in words is "one hundred thirty-seven million, two hundred forty-four thousand, four hundred eighty-nine".