137550489 has 4 divisors (see below), whose sum is σ = 183400656. Its totient is φ = 91700324.

The previous prime is 137550487. The next prime is 137550541. The reversal of 137550489 is 984055731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 137550489 - 2¹ = 137550487 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 137550489.

It is not an unprimeable number, because it can be changed into a prime (137550487) 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 3 ways as a sum of consecutive naturals, for example, 22925079 + ... + 22925084.

It is an arithmetic number, because the mean of its divisors is an integer number (45850164).

Almost surely, 2^137550489 is an apocalyptic number.

It is an amenable number.

137550489 is a deficient number, since it is larger than the sum of its proper divisors (45850167).

137550489 is an equidigital number, since it uses as much as digits as its factorization.

137550489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45850166.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 137550489 is about 11728.1920601600. The cubic root of 137550489 is about 516.2032242892.

The spelling of 137550489 in words is "one hundred thirty-seven million, five hundred fifty thousand, four hundred eighty-nine".