1345668084 has 108 divisors (see below), whose sum is σ = 3744031200. Its totient is φ = 406362528.

The previous prime is 1345668083. The next prime is 1345668091. The reversal of 1345668084 is 4808665431.

1345668084 is a `hidden beast` number, since 1 + 3 + 4 + 566 + 8 + 0 + 84 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345668083) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 359977 + ... + 363695.

Almost surely, 2^1345668084 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1345668084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1872015600).

1345668084 is an abundant number, since it is smaller than the sum of its proper divisors (2398363116).

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

1345668084 is a wasteful number, since it uses less digits than its factorization.

1345668084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3794 (or 3766 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 1345668084 is about 36683.3488656638. The cubic root of 1345668084 is about 1104.0260410524.

The spelling of 1345668084 in words is "one billion, three hundred forty-five million, six hundred sixty-eight thousand, eighty-four".