1345405334 has 32 divisors (see below), whose sum is σ = 2500545600. Its totient is φ = 528665472.

The previous prime is 1345405291. The next prime is 1345405387. The reversal of 1345405334 is 4335045431.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1345405334.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2312 + ... + 51924.

It is an arithmetic number, because the mean of its divisors is an integer number (78142050).

Almost surely, 2^1345405334 is an apocalyptic number.

1345405334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1345405334 is a deficient number, since it is larger than the sum of its proper divisors (1155140266).

1345405334 is a wasteful number, since it uses less digits than its factorization.

1345405334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49784.

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

The square root of 1345405334 is about 36679.7673656745. The cubic root of 1345405334 is about 1103.9541804086.

The spelling of 1345405334 in words is "one billion, three hundred forty-five million, four hundred five thousand, three hundred thirty-four".