1345435340 has 48 divisors (see below), whose sum is σ = 2920592640. Its totient is φ = 520093440.

The previous prime is 1345435331. The next prime is 1345435361. The reversal of 1345435340 is 435345431.

It is a junction number, because it is equal to n+sod(n) for n = 1345435297 and 1345435306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 751166 + ... + 752954.

It is an arithmetic number, because the mean of its divisors is an integer number (60845680).

Almost surely, 2^1345435340 is an apocalyptic number.

1345435340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1345435340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1460296320).

1345435340 is an abundant number, since it is smaller than the sum of its proper divisors (1575157300).

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

1345435340 is a wasteful number, since it uses less digits than its factorization.

1345435340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3042 (or 3040 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 1345435340 is about 36680.1763899794. The cubic root of 1345435340 is about 1103.9623873537.

The spelling of 1345435340 in words is "one billion, three hundred forty-five million, four hundred thirty-five thousand, three hundred forty".