84162141 has 12 divisors (see below), whose sum is σ = 138934432. Its totient is φ = 48092616.

The previous prime is 84162139. The next prime is 84162151. The reversal of 84162141 is 14126148.

It is a happy number.

It is not a de Polignac number, because 84162141 - 2¹ = 84162139 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84162151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 667891 + ... + 668016.

Almost surely, 2^84162141 is an apocalyptic number.

It is an amenable number.

84162141 is a deficient number, since it is larger than the sum of its proper divisors (54772291).

84162141 is a wasteful number, since it uses less digits than its factorization.

84162141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335920 (or 1335917 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 84162141 is about 9173.9926422469. The cubic root of 84162141 is about 438.2335184381.

Adding to 84162141 its reverse (14126148), we get a palindrome (98288289).

The spelling of 84162141 in words is "eighty-four million, one hundred sixty-two thousand, one hundred forty-one".