1005133816 has 8 divisors (see below), whose sum is σ = 1884625920. Its totient is φ = 502566904.

The previous prime is 1005133777. The next prime is 1005133837. The reversal of 1005133816 is 6183315001.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62820856 + ... + 62820871.

It is an arithmetic number, because the mean of its divisors is an integer number (235578240).

Almost surely, 2^1005133816 is an apocalyptic number.

It is an amenable number.

1005133816 is a deficient number, since it is larger than the sum of its proper divisors (879492104).

1005133816 is a wasteful number, since it uses less digits than its factorization.

1005133816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125641733 (or 125641729 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1005133816 is about 31703.8454449929. The cubic root of 1005133816 is about 1001.7083518720.

Adding to 1005133816 its reverse (6183315001), we get a palindrome (7188448817).

It can be divided in two parts, 100513 and 3816, that added together give a square (104329 = 323²).

The spelling of 1005133816 in words is "one billion, five million, one hundred thirty-three thousand, eight hundred sixteen".