1002136770 has 48 divisors (see below), whose sum is σ = 2608544952. Its totient is φ = 266929920.

The previous prime is 1002136753. The next prime is 1002136777. The reversal of 1002136770 is 776312001.

It can be written as a sum of positive squares in 4 ways, for example, as 985269321 + 16867449 = 31389^2 + 4107^2 .

It is not an unprimeable number, because it can be changed into a prime (1002136777) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 78774 + ... + 90606.

Almost surely, 2^1002136770 is an apocalyptic number.

1002136770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002136770 is an abundant number, since it is smaller than the sum of its proper divisors (1606408182).

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

1002136770 is a wasteful number, since it uses less digits than its factorization.

1002136770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12787 (or 12784 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 1002136770 is about 31656.5438732658. The cubic root of 1002136770 is about 1000.7117499585.

Adding to 1002136770 its reverse (776312001), we get a palindrome (1778448771).

The spelling of 1002136770 in words is "one billion, two million, one hundred thirty-six thousand, seven hundred seventy".