1345598260 has 24 divisors (see below), whose sum is σ = 2923197480. Its totient is φ = 519679104.

The previous prime is 1345598251. The next prime is 1345598299. The reversal of 1345598260 is 628955431.

It can be written as a sum of positive squares in 4 ways, for example, as 69822736 + 1275775524 = 8356^2 + 35718^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1159419 + ... + 1160578.

It is an arithmetic number, because the mean of its divisors is an integer number (121799895).

Almost surely, 2^1345598260 is an apocalyptic number.

1345598260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1345598260 is an abundant number, since it is smaller than the sum of its proper divisors (1577599220).

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

1345598260 is a wasteful number, since it uses less digits than its factorization.

1345598260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320035 (or 2320033 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 1345598260 is about 36682.3971408631. The cubic root of 1345598260 is about 1104.0069454947.

The spelling of 1345598260 in words is "one billion, three hundred forty-five million, five hundred ninety-eight thousand, two hundred sixty".