84137181134441 has 4 divisors (see below), whose sum is σ = 84577689936384. Its totient is φ = 83696672332500.

The previous prime is 84137181134437. The next prime is 84137181134459. The reversal of 84137181134441 is 14443118173148.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84137181134441 - 2² = 84137181134437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84137181134441.

It is not an unprimeable number, because it can be changed into a prime (84137181134141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220254400685 + ... + 220254401066.

It is an arithmetic number, because the mean of its divisors is an integer number (21144422484096).

Almost surely, 2^{84137181134441} is an apocalyptic number.

It is an amenable number.

84137181134441 is a deficient number, since it is larger than the sum of its proper divisors (440508801943).

84137181134441 is a wasteful number, since it uses less digits than its factorization.

84137181134441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440508801942.

The product of its digits is 1032192, while the sum is 50.

The spelling of 84137181134441 in words is "eighty-four trillion, one hundred thirty-seven billion, one hundred eighty-one million, one hundred thirty-four thousand, four hundred forty-one".