137085573 has 4 divisors (see below), whose sum is σ = 182780768. Its totient is φ = 91390380.

The previous prime is 137085521. The next prime is 137085601. The reversal of 137085573 is 375580731.

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 de Polignac number, because none of the positive numbers 2^k-137085573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137085173) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 22847593 + ... + 22847598.

It is an arithmetic number, because the mean of its divisors is an integer number (45695192).

Almost surely, 2^137085573 is an apocalyptic number.

It is an amenable number.

137085573 is a deficient number, since it is larger than the sum of its proper divisors (45695195).

137085573 is an equidigital number, since it uses as much as digits as its factorization.

137085573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45695194.

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 137085573 is about 11708.3548374654. The cubic root of 137085573 is about 515.6209846666.

The spelling of 137085573 in words is "one hundred thirty-seven million, eighty-five thousand, five hundred seventy-three".