1350135281 has 32 divisors (see below), whose sum is σ = 1581465600. Its totient is φ = 1140552000.

The previous prime is 1350135271. The next prime is 1350135287. The reversal of 1350135281 is 1825310531.

It is a happy number.

It is not a de Polignac number, because 1350135281 - 2¹⁰ = 1350134257 is a prime.

It is a super-2 number, since 2×1350135281² = 3645730554001897922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (1350135287) 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 31 ways as a sum of consecutive naturals, for example, 3075260 + ... + 3075698.

It is an arithmetic number, because the mean of its divisors is an integer number (49420800).

Almost surely, 2^1350135281 is an apocalyptic number.

1350135281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1350135281 is the 16433-rd centered decagonal number.

It is an amenable number.

1350135281 is a deficient number, since it is larger than the sum of its proper divisors (231330319).

1350135281 is a wasteful number, since it uses less digits than its factorization.

1350135281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 1350135281 is about 36744.1870368634. The cubic root of 1350135281 is about 1105.2463653565.

It can be divided in two parts, 1350 and 135281, that added together give a palindrome (136631).

The spelling of 1350135281 in words is "one billion, three hundred fifty million, one hundred thirty-five thousand, two hundred eighty-one".