7254136136 has 16 divisors (see below), whose sum is σ = 14647775100. Its totient is φ = 3348062784.

The previous prime is 7254136117. The next prime is 7254136139. The reversal of 7254136136 is 6316314527.

It can be written as a sum of positive squares in 2 ways, for example, as 6351133636 + 903002500 = 79694^2 + 30050^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7254136136.

It is not an unprimeable number, because it can be changed into a prime (7254136139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34875551 + ... + 34875758.

Almost surely, 2^7254136136 is an apocalyptic number.

It is an amenable number.

7254136136 is an abundant number, since it is smaller than the sum of its proper divisors (7393638964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7254136136 is a wasteful number, since it uses less digits than its factorization.

7254136136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69751328 (or 69751324 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The square root of 7254136136 is about 85171.2165934008. The cubic root of 7254136136 is about 1935.8063071765.

The spelling of 7254136136 in words is "seven billion, two hundred fifty-four million, one hundred thirty-six thousand, one hundred thirty-six".