1345021933 has 8 divisors (see below), whose sum is σ = 1388350656. Its totient is φ = 1302194400.

The previous prime is 1345021927. The next prime is 1345021939. The reversal of 1345021933 is 3391205431.

It is an interprime number because it is at equal distance from previous prime (1345021927) and next prime (1345021939).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1345021933 - 2⁵ = 1345021901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1345021895 and 1345021904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345021939) by changing a digit.

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, 119841 + ... + 130582.

It is an arithmetic number, because the mean of its divisors is an integer number (173543832).

Almost surely, 2^1345021933 is an apocalyptic number.

It is an amenable number.

1345021933 is a deficient number, since it is larger than the sum of its proper divisors (43328723).

1345021933 is a wasteful number, since it uses less digits than its factorization.

1345021933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250595.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 1345021933 is about 36674.5406651535. The cubic root of 1345021933 is about 1103.8493056080.

The spelling of 1345021933 in words is "one billion, three hundred forty-five million, twenty-one thousand, nine hundred thirty-three".