1345921260 has 24 divisors (see below), whose sum is σ = 3768579696. Its totient is φ = 358912320.

The previous prime is 1345921223. The next prime is 1345921261. The reversal of 1345921260 is 621295431.

It is not an unprimeable number, because it can be changed into a prime (1345921261) 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, 11215951 + ... + 11216070.

It is an arithmetic number, because the mean of its divisors is an integer number (157024154).

Almost surely, 2^1345921260 is an apocalyptic number.

1345921260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1345921260 is an abundant number, since it is smaller than the sum of its proper divisors (2422658436).

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

1345921260 is a wasteful number, since it uses less digits than its factorization.

1345921260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22432033 (or 22432031 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1345921260 is about 36686.7995333471. The cubic root of 1345921260 is about 1104.0952744126.

The spelling of 1345921260 in words is "one billion, three hundred forty-five million, nine hundred twenty-one thousand, two hundred sixty".