8145136 has 10 divisors (see below), whose sum is σ = 15781232. Its totient is φ = 4072560.

The previous prime is 8145133. The next prime is 8145139. The reversal of 8145136 is 6315418.

It is an interprime number because it is at equal distance from previous prime (8145133) and next prime (8145139).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8145133) 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 as a sum of consecutive naturals, namely, 254520 + ... + 254551.

Almost surely, 2^8145136 is an apocalyptic number.

It is an amenable number.

8145136 is a deficient number, since it is larger than the sum of its proper divisors (7636096).

8145136 is a wasteful number, since it uses less digits than its factorization.

8145136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509079 (or 509073 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 8145136 is about 2853.9684651376. The cubic root of 8145136 is about 201.2022254562.

It can be divided in two parts, 8145 and 136, that added together give a square (8281 = 91²).

The spelling of 8145136 in words is "eight million, one hundred forty-five thousand, one hundred thirty-six".