72143139509484 has 24 divisors (see below), whose sum is σ = 172439699316528. Its totient is φ = 23461183580160.

The previous prime is 72143139509459. The next prime is 72143139509527. The reversal of 72143139509484 is 48490593134127.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73316198197 + ... + 73316199180.

It is an arithmetic number, because the mean of its divisors is an integer number (7184987471522).

Almost surely, 2^{72143139509484} is an apocalyptic number.

It is an amenable number.

72143139509484 is an abundant number, since it is smaller than the sum of its proper divisors (100296559807044).

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

72143139509484 is a wasteful number, since it uses less digits than its factorization.

72143139509484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146632397425 (or 146632397423 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 72143139509484 in words is "seventy-two trillion, one hundred forty-three billion, one hundred thirty-nine million, five hundred nine thousand, four hundred eighty-four".