1002136743 has 12 divisors (see below), whose sum is σ = 1451257080. Its totient is φ = 666371376.

The previous prime is 1002136739. The next prime is 1002136753. The reversal of 1002136743 is 3476312001.

It is not a de Polignac number, because 1002136743 - 2² = 1002136739 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002136753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139621 + ... + 146622.

It is an arithmetic number, because the mean of its divisors is an integer number (120938090).

Almost surely, 2^1002136743 is an apocalyptic number.

1002136743 is a deficient number, since it is larger than the sum of its proper divisors (449120337).

1002136743 is a wasteful number, since it uses less digits than its factorization.

1002136743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286638 (or 286635 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 1002136743 is about 31656.5434468136. The cubic root of 1002136743 is about 1000.7117409713.

Adding to 1002136743 its reverse (3476312001), we get a palindrome (4478448744).

It can be divided in two parts, 10021 and 36743, that added together give a palindrome (46764).

The spelling of 1002136743 in words is "one billion, two million, one hundred thirty-six thousand, seven hundred forty-three".