136071545 has 4 divisors (see below), whose sum is σ = 163285860. Its totient is φ = 108857232.

The previous prime is 136071527. The next prime is 136071569. The reversal of 136071545 is 545170631.

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 56130064 + 79941481 = 7492^2 + 8941^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136071545 is a prime.

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, 13607150 + ... + 13607159.

It is an arithmetic number, because the mean of its divisors is an integer number (40821465).

Almost surely, 2^136071545 is an apocalyptic number.

It is an amenable number.

136071545 is a deficient number, since it is larger than the sum of its proper divisors (27214315).

136071545 is an equidigital number, since it uses as much as digits as its factorization.

136071545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27214314.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 136071545 is about 11664.9708529426. The cubic root of 136071545 is about 514.3464799415.

The spelling of 136071545 in words is "one hundred thirty-six million, seventy-one thousand, five hundred forty-five".