86135006421 has 12 divisors (see below), whose sum is σ = 129025277472. Its totient is φ = 57423337452.

The previous prime is 86135006407. The next prime is 86135006431. The reversal of 86135006421 is 12460053168.

It is a happy number.

86135006421 is a `hidden beast` number, since 8 + 6 + 1 + 3 + 5 + 0 + 0 + 642 + 1 = 666.

It is not a de Polignac number, because 86135006421 - 2¹⁸ = 86134744277 is a prime.

It is a super-2 number, since 2×86135006421² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86135006401) 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 11 ways as a sum of consecutive naturals, for example, 177232281 + ... + 177232766.

It is an arithmetic number, because the mean of its divisors is an integer number (10752106456).

Almost surely, 2^86135006421 is an apocalyptic number.

86135006421 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

86135006421 is a deficient number, since it is larger than the sum of its proper divisors (42890271051).

86135006421 is an equidigital number, since it uses as much as digits as its factorization.

86135006421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354465062 (or 354465050 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

Adding to 86135006421 its reverse (12460053168), we get a palindrome (98595059589).

The spelling of 86135006421 in words is "eighty-six billion, one hundred thirty-five million, six thousand, four hundred twenty-one".