1345130540 has 24 divisors (see below), whose sum is σ = 3042065040. Its totient is φ = 496663488.

The previous prime is 1345130531. The next prime is 1345130543. The reversal of 1345130540 is 450315431.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (1345130543) 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, 2586530 + ... + 2587049.

It is an arithmetic number, because the mean of its divisors is an integer number (126752710).

Almost surely, 2^1345130540 is an apocalyptic number.

1345130540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1345130540 is an abundant number, since it is smaller than the sum of its proper divisors (1696934500).

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

1345130540 is a wasteful number, since it uses less digits than its factorization.

1345130540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5173601 (or 5173599 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1345130540 is about 36676.0213218392. The cubic root of 1345130540 is about 1103.8790157889.

Adding to 1345130540 its reverse (450315431), we get a palindrome (1795445971).

The spelling of 1345130540 in words is "one billion, three hundred forty-five million, one hundred thirty thousand, five hundred forty".