137225128449 has 16 divisors (see below), whose sum is σ = 190173107520. Its totient is φ = 87910186560.

The previous prime is 137225128433. The next prime is 137225128463. The reversal of 137225128449 is 944821522731.

It is not a de Polignac number, because 137225128449 - 2⁴ = 137225128433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 137225128398 and 137225128407.

It is not an unprimeable number, because it can be changed into a prime (137225128429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3719322 + ... + 3756035.

It is an arithmetic number, because the mean of its divisors is an integer number (11885819220).

Almost surely, 2^137225128449 is an apocalyptic number.

It is an amenable number.

137225128449 is a deficient number, since it is larger than the sum of its proper divisors (52947979071).

137225128449 is a wasteful number, since it uses less digits than its factorization.

137225128449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7475600.

The product of its digits is 967680, while the sum is 48.

The spelling of 137225128449 in words is "one hundred thirty-seven billion, two hundred twenty-five million, one hundred twenty-eight thousand, four hundred forty-nine".