8135874442 has 32 divisors (see below), whose sum is σ = 13171193280. Its totient is φ = 3756481920.

The previous prime is 8135874431. The next prime is 8135874473. The reversal of 8135874442 is 2444785318.

8135874442 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×8135874442² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8135874392 and 8135874401.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2907388 + ... + 2910184.

It is an arithmetic number, because the mean of its divisors is an integer number (411599790).

Almost surely, 2^8135874442 is an apocalyptic number.

8135874442 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

8135874442 is a deficient number, since it is larger than the sum of its proper divisors (5035318838).

8135874442 is a wasteful number, since it uses less digits than its factorization.

8135874442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4726.

The product of its digits is 860160, while the sum is 46.

The square root of 8135874442 is about 90199.0822680586. The cubic root of 8135874442 is about 2011.2593645725.

The spelling of 8135874442 in words is "eight billion, one hundred thirty-five million, eight hundred seventy-four thousand, four hundred forty-two".