1026273136 has 40 divisors (see below), whose sum is σ = 2406140640. Its totient is φ = 413958144.

The previous prime is 1026273067. The next prime is 1026273137. The reversal of 1026273136 is 6313726201.

It is a junction number, because it is equal to n+sod(n) for n = 1026273098 and 1026273107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026273137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267601 + ... + 271408.

It is an arithmetic number, because the mean of its divisors is an integer number (60153516).

Almost surely, 2^1026273136 is an apocalyptic number.

1026273136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1026273136 is an abundant number, since it is smaller than the sum of its proper divisors (1379867504).

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

1026273136 is a wasteful number, since it uses less digits than its factorization.

1026273136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539041 (or 539035 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 1026273136 is about 32035.4980607451. The cubic root of 1026273136 is about 1008.6821147337.

Adding to 1026273136 its reverse (6313726201), we get a palindrome (7339999337).

The spelling of 1026273136 in words is "one billion, twenty-six million, two hundred seventy-three thousand, one hundred thirty-six".