1345318540 has 12 divisors (see below), whose sum is σ = 2825168976. Its totient is φ = 538127408.

The previous prime is 1345318537. The next prime is 1345318543. The reversal of 1345318540 is 458135431.

It is an interprime number because it is at equal distance from previous prime (1345318537) and next prime (1345318543).

It is a junction number, because it is equal to n+sod(n) for n = 1345318496 and 1345318505.

It is not an unprimeable number, because it can be changed into a prime (1345318543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33632944 + ... + 33632983.

It is an arithmetic number, because the mean of its divisors is an integer number (235430748).

Almost surely, 2^1345318540 is an apocalyptic number.

1345318540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1345318540 is an abundant number, since it is smaller than the sum of its proper divisors (1479850436).

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

1345318540 is a wasteful number, since it uses less digits than its factorization.

1345318540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67265936 (or 67265934 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 1345318540 is about 36678.5842147703. The cubic root of 1345318540 is about 1103.9304406832.

The spelling of 1345318540 in words is "one billion, three hundred forty-five million, three hundred eighteen thousand, five hundred forty".