84140004148 has 24 divisors (see below), whose sum is σ = 149838109344. Its totient is φ = 41335476000.

The previous prime is 84140004139. The next prime is 84140004163.

84140004148 is nontrivially palindromic in base 10.

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 7 ways as a sum of consecutive naturals, for example, 741990 + ... + 847837.

It is an arithmetic number, because the mean of its divisors is an integer number (6243254556).

Almost surely, 2^84140004148 is an apocalyptic number.

It is an amenable number.

84140004148 is a deficient number, since it is larger than the sum of its proper divisors (65698105196).

84140004148 is a wasteful number, since it uses less digits than its factorization.

84140004148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590063 (or 1590061 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 34.

It can be divided in two parts, 8414000 and 4148, that added together give a palindrome (8418148).

The spelling of 84140004148 in words is "eighty-four billion, one hundred forty million, four thousand, one hundred forty-eight".