1340536330 has 32 divisors (see below), whose sum is σ = 2760292224. Its totient is φ = 459176256.

The previous prime is 1340536297. The next prime is 1340536331. The reversal of 1340536330 is 336350431.

It is not an unprimeable number, because it can be changed into a prime (1340536331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70084 + ... + 87136.

It is an arithmetic number, because the mean of its divisors is an integer number (86259132).

Almost surely, 2^1340536330 is an apocalyptic number.

1340536330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340536330 is an abundant number, since it is smaller than the sum of its proper divisors (1419755894).

1340536330 is a wasteful number, since it uses less digits than its factorization.

1340536330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18190.

The product of its (nonzero) digits is 9720, while the sum is 28.

The square root of 1340536330 is about 36613.3354121145. The cubic root of 1340536330 is about 1102.6208388349.

Adding to 1340536330 its reverse (336350431), we get a palindrome (1676886761).

The spelling of 1340536330 in words is "one billion, three hundred forty million, five hundred thirty-six thousand, three hundred thirty".