1026009513 has 6 divisors (see below), whose sum is σ = 1482013754. Its totient is φ = 684006336.

The previous prime is 1026009503. The next prime is 1026009529. The reversal of 1026009513 is 3159006201.

1026009513 is a `hidden beast` number, since 1 + 0 + 2 + 600 + 9 + 51 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 558282384 + 467727129 = 23628^2 + 21627^2 .

It is not a de Polignac number, because 1026009513 - 2¹⁸ = 1025747369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1026009503) 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 5 ways as a sum of consecutive naturals, for example, 57000520 + ... + 57000537.

Almost surely, 2^1026009513 is an apocalyptic number.

It is an amenable number.

1026009513 is a deficient number, since it is larger than the sum of its proper divisors (456004241).

1026009513 is a wasteful number, since it uses less digits than its factorization.

1026009513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114001063 (or 114001060 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 1026009513 is about 32031.3832514302. The cubic root of 1026009513 is about 1008.5957392301.

The spelling of 1026009513 in words is "one billion, twenty-six million, nine thousand, five hundred thirteen".