135627845 has 4 divisors (see below), whose sum is σ = 162753420. Its totient is φ = 108502272.

The previous prime is 135627841. The next prime is 135627847. The reversal of 135627845 is 548726531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 548726531 = 113 ⋅4855987.

It can be written as a sum of positive squares in 2 ways, for example, as 76860289 + 58767556 = 8767^2 + 7666^2 .

It is a cyclic number.

It is not a de Polignac number, because 135627845 - 2² = 135627841 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135627841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13562780 + ... + 13562789.

It is an arithmetic number, because the mean of its divisors is an integer number (40688355).

Almost surely, 2^135627845 is an apocalyptic number.

It is an amenable number.

135627845 is a deficient number, since it is larger than the sum of its proper divisors (27125575).

135627845 is an equidigital number, since it uses as much as digits as its factorization.

135627845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27125574.

The product of its digits is 201600, while the sum is 41.

The square root of 135627845 is about 11645.9368450975. The cubic root of 135627845 is about 513.7868134871.

The spelling of 135627845 in words is "one hundred thirty-five million, six hundred twenty-seven thousand, eight hundred forty-five".