137225329 has 8 divisors (see below), whose sum is σ = 138108672. Its totient is φ = 136345440.

The previous prime is 137225323. The next prime is 137225339. The reversal of 137225329 is 923522731.

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

It is a cyclic number.

It is not a de Polignac number, because 137225329 - 2¹³ = 137217137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137225294 and 137225303.

It is not an unprimeable number, because it can be changed into a prime (137225323) 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, 143517 + ... + 144469.

It is an arithmetic number, because the mean of its divisors is an integer number (17263584).

Almost surely, 2^137225329 is an apocalyptic number.

It is an amenable number.

137225329 is a deficient number, since it is larger than the sum of its proper divisors (883343).

137225329 is an equidigital number, since it uses as much as digits as its factorization.

137225329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727.

The product of its digits is 22680, while the sum is 34.

The square root of 137225329 is about 11714.3215339174. The cubic root of 137225329 is about 515.7961469158.

The spelling of 137225329 in words is "one hundred thirty-seven million, two hundred twenty-five thousand, three hundred twenty-nine".