1345191366 has 16 divisors (see below), whose sum is σ = 2711568384. Its totient is φ = 444866184.

The previous prime is 1345191329. The next prime is 1345191389. The reversal of 1345191366 is 6631915431.

It is a super-2 number, since 2×1345191366² = 3619079622321891912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 881910 + ... + 883433.

It is an arithmetic number, because the mean of its divisors is an integer number (169473024).

Almost surely, 2^1345191366 is an apocalyptic number.

1345191366 is an abundant number, since it is smaller than the sum of its proper divisors (1366377018).

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

1345191366 is a wasteful number, since it uses less digits than its factorization.

1345191366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765475.

The product of its digits is 58320, while the sum is 39.

The square root of 1345191366 is about 36676.8505463596. The cubic root of 1345191366 is about 1103.8956544548.

The spelling of 1345191366 in words is "one billion, three hundred forty-five million, one hundred ninety-one thousand, three hundred sixty-six".