868135052 has 12 divisors (see below), whose sum is σ = 1520046360. Its totient is φ = 433836096.

The previous prime is 868135031. The next prime is 868135063. The reversal of 868135052 is 250531868.

It is a super-2 number, since 2×868135052² = 1507316937022085408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 868134997 and 868135015.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49277 + ... + 64532.

It is an arithmetic number, because the mean of its divisors is an integer number (126670530).

Almost surely, 2^868135052 is an apocalyptic number.

It is an amenable number.

868135052 is a deficient number, since it is larger than the sum of its proper divisors (651911308).

868135052 is a wasteful number, since it uses less digits than its factorization.

868135052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115720 (or 115718 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 868135052 is about 29464.1316179520. The cubic root of 868135052 is about 953.9576548001.

The spelling of 868135052 in words is "eight hundred sixty-eight million, one hundred thirty-five thousand, fifty-two".