1263140006 has 8 divisors (see below), whose sum is σ = 1918693920. Its totient is φ = 623575368.

The previous prime is 1263139987. The next prime is 1263140057. The reversal of 1263140006 is 6000413621.

It is a happy number.

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

It is a congruent 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, 3997121 + ... + 3997436.

It is an arithmetic number, because the mean of its divisors is an integer number (239836740).

Almost surely, 2^1263140006 is an apocalyptic number.

1263140006 is a deficient number, since it is larger than the sum of its proper divisors (655553914).

1263140006 is an equidigital number, since it uses as much as digits as its factorization.

1263140006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7994638.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1263140006 is about 35540.6810007912. The cubic root of 1263140006 is about 1080.9787669159.

Adding to 1263140006 its reverse (6000413621), we get a palindrome (7263553627).

The spelling of 1263140006 in words is "one billion, two hundred sixty-three million, one hundred forty thousand, six".