136743585 has 32 divisors (see below), whose sum is σ = 239984640. Its totient is φ = 65937600.

The previous prime is 136743559. The next prime is 136743599. The reversal of 136743585 is 585347631.

It is not a de Polignac number, because 136743585 - 2¹² = 136739489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29346 + ... + 33684.

It is an arithmetic number, because the mean of its divisors is an integer number (7499520).

Almost surely, 2^136743585 is an apocalyptic number.

136743585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136743585 is a deficient number, since it is larger than the sum of its proper divisors (103241055).

136743585 is a wasteful number, since it uses less digits than its factorization.

136743585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4549.

The product of its digits is 302400, while the sum is 42.

The square root of 136743585 is about 11693.7412747161. The cubic root of 136743585 is about 515.1918536147.

The spelling of 136743585 in words is "one hundred thirty-six million, seven hundred forty-three thousand, five hundred eighty-five".