1345303386 has 48 divisors (see below), whose sum is σ = 3343976064. Its totient is φ = 382901472.

The previous prime is 1345303369. The next prime is 1345303391. The reversal of 1345303386 is 6833035431.

1345303386 is a `hidden beast` number, since 1 + 345 + 303 + 3 + 8 + 6 = 666.

1345303386 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1345303386.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12840 + ... + 53436.

It is an arithmetic number, because the mean of its divisors is an integer number (69666168).

Almost surely, 2^1345303386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1345303386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1671988032).

1345303386 is an abundant number, since it is smaller than the sum of its proper divisors (1998672678).

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

1345303386 is a wasteful number, since it uses less digits than its factorization.

1345303386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40875 (or 40872 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 1345303386 is about 36678.3776358770. The cubic root of 1345303386 is about 1103.9262956860.

The spelling of 1345303386 in words is "one billion, three hundred forty-five million, three hundred three thousand, three hundred eighty-six".