75139549392 has 160 divisors (see below), whose sum is σ = 202876570624. Its totient is φ = 23937638400.

The previous prime is 75139549369. The next prime is 75139549393. The reversal of 75139549392 is 29394593157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75139549393) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 42283608 + ... + 42285384.

Almost surely, 2^75139549392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75139549392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101438285312).

75139549392 is an abundant number, since it is smaller than the sum of its proper divisors (127737021232).

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

75139549392 is a wasteful number, since it uses less digits than its factorization.

75139549392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157 (or 2151 counting only the distinct ones).

The product of its digits is 9185400, while the sum is 57.

The spelling of 75139549392 in words is "seventy-five billion, one hundred thirty-nine million, five hundred forty-nine thousand, three hundred ninety-two".