1340017536 has 256 divisors, whose sum is σ = 4367623680. Its totient is φ = 358195200.

The previous prime is 1340017531. The next prime is 1340017543. The reversal of 1340017536 is 6357100431.

It is a super-2 number, since 2×1340017536² = 3591293993575022592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340017531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1262446 + ... + 1263506.

It is an arithmetic number, because the mean of its divisors is an integer number (17061030).

Almost surely, 2^1340017536 is an apocalyptic number.

1340017536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1340017536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2183811840).

1340017536 is an abundant number, since it is smaller than the sum of its proper divisors (3027606144).

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

1340017536 is a wasteful number, since it uses less digits than its factorization.

1340017536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125 (or 1113 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 1340017536 is about 36606.2499581697. The cubic root of 1340017536 is about 1102.4785806278.

Adding to 1340017536 its reverse (6357100431), we get a palindrome (7697117967).

The spelling of 1340017536 in words is "one billion, three hundred forty million, seventeen thousand, five hundred thirty-six".