137449425 has 24 divisors (see below), whose sum is σ = 232797600. Its totient is φ = 71516800.

The previous prime is 137449399. The next prime is 137449427. The reversal of 137449425 is 524944731.

It is not a de Polignac number, because 137449425 - 2⁵ = 137449393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137449427) 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 23 ways as a sum of consecutive naturals, for example, 19275 + ... + 25424.

It is an arithmetic number, because the mean of its divisors is an integer number (9699900).

Almost surely, 2^137449425 is an apocalyptic number.

137449425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137449425 is a deficient number, since it is larger than the sum of its proper divisors (95348175).

137449425 is a wasteful number, since it uses less digits than its factorization.

137449425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44753 (or 44748 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 137449425 is about 11723.8826759739. The cubic root of 137449425 is about 516.0767680687.

The spelling of 137449425 in words is "one hundred thirty-seven million, four hundred forty-nine thousand, four hundred twenty-five".