137628445 has 8 divisors (see below), whose sum is σ = 165217536. Its totient is φ = 110060496.

The previous prime is 137628427. The next prime is 137628467. The reversal of 137628445 is 544826731.

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 137628445 - 2⁹ = 137627933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137628398 and 137628407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20364 + ... + 26266.

It is an arithmetic number, because the mean of its divisors is an integer number (20652192).

Almost surely, 2^137628445 is an apocalyptic number.

It is an amenable number.

137628445 is a deficient number, since it is larger than the sum of its proper divisors (27589091).

137628445 is an equidigital number, since it uses as much as digits as its factorization.

137628445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10571.

The product of its digits is 161280, while the sum is 40.

The square root of 137628445 is about 11731.5150342997. The cubic root of 137628445 is about 516.3007243395.

The spelling of 137628445 in words is "one hundred thirty-seven million, six hundred twenty-eight thousand, four hundred forty-five".