75005438136 has 16 divisors (see below), whose sum is σ = 187513595400. Its totient is φ = 25001812704.

The previous prime is 75005438129. The next prime is 75005438143. The reversal of 75005438136 is 63183450057.

It is an interprime number because it is at equal distance from previous prime (75005438129) and next prime (75005438143).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1562613271 + ... + 1562613318.

Almost surely, 2^75005438136 is an apocalyptic number.

It is an amenable number.

75005438136 is an abundant number, since it is smaller than the sum of its proper divisors (112508157264).

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

75005438136 is a wasteful number, since it uses less digits than its factorization.

75005438136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125226598 (or 3125226594 counting only the distinct ones).

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

The spelling of 75005438136 in words is "seventy-five billion, five million, four hundred thirty-eight thousand, one hundred thirty-six".