137923585 has 4 divisors (see below), whose sum is σ = 165508308. Its totient is φ = 110338864.

The previous prime is 137923573. The next prime is 137923609. The reversal of 137923585 is 585329731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16064064 + 121859521 = 4008^2 + 11039^2 .

It is a cyclic number.

It is not a de Polignac number, because 137923585 - 2⁹ = 137923073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13792354 + ... + 13792363.

It is an arithmetic number, because the mean of its divisors is an integer number (41377077).

Almost surely, 2^137923585 is an apocalyptic number.

It is an amenable number.

137923585 is a deficient number, since it is larger than the sum of its proper divisors (27584723).

137923585 is an equidigital number, since it uses as much as digits as its factorization.

137923585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27584722.

The product of its digits is 226800, while the sum is 43.

The square root of 137923585 is about 11744.0872357114. The cubic root of 137923585 is about 516.6695245535.

It can be divided in two parts, 1379 and 23585, that added together give a square (24964 = 158²).

The spelling of 137923585 in words is "one hundred thirty-seven million, nine hundred twenty-three thousand, five hundred eighty-five".