1140646506 has 8 divisors (see below), whose sum is σ = 2281293024. Its totient is φ = 380215500.

The previous prime is 1140646483. The next prime is 1140646537. The reversal of 1140646506 is 6056460411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1140646506 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 95053870 + ... + 95053881.

It is an arithmetic number, because the mean of its divisors is an integer number (285161628).

Almost surely, 2^1140646506 is an apocalyptic number.

1140646506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1140646506 is a wasteful number, since it uses less digits than its factorization.

1140646506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190107756.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1140646506 is about 33773.4586028734. The cubic root of 1140646506 is about 1044.8413656929.

The spelling of 1140646506 in words is "one billion, one hundred forty million, six hundred forty-six thousand, five hundred six".