1065731136 has 28 divisors (see below), whose sum is σ = 2819747472. Its totient is φ = 355243648.

The previous prime is 1065731131. The next prime is 1065731141. The reversal of 1065731136 is 6311375601.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1065731131) and next prime (1065731141).

It is a super-2 number, since 2×1065731136² = 2271565708479700992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1065731097 and 1065731106.

It is not an unprimeable number, because it can be changed into a prime (1065731131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2775150 + ... + 2775533.

Almost surely, 2^1065731136 is an apocalyptic number.

1065731136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1065731136 is an abundant number, since it is smaller than the sum of its proper divisors (1754016336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1065731136 is an equidigital number, since it uses as much as digits as its factorization.

1065731136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5550698 (or 5550688 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 1065731136 is about 32645.5377655201. The cubic root of 1065731136 is about 1021.4471116638.

The spelling of 1065731136 in words is "one billion, sixty-five million, seven hundred thirty-one thousand, one hundred thirty-six".