1345191357 has 16 divisors (see below), whose sum is σ = 1829521728. Its totient is φ = 878866560.

The previous prime is 1345191329. The next prime is 1345191389. The reversal of 1345191357 is 7531915431.

It is not a de Polignac number, because 1345191357 - 2¹⁰ = 1345190333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345191257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150033 + ... + 158745.

It is an arithmetic number, because the mean of its divisors is an integer number (114345108).

Almost surely, 2^1345191357 is an apocalyptic number.

It is an amenable number.

1345191357 is a deficient number, since it is larger than the sum of its proper divisors (484330371).

1345191357 is an equidigital number, since it uses as much as digits as its factorization.

1345191357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9740.

The product of its digits is 56700, while the sum is 39.

The square root of 1345191357 is about 36676.8504236664. The cubic root of 1345191357 is about 1103.8956519930.

The spelling of 1345191357 in words is "one billion, three hundred forty-five million, one hundred ninety-one thousand, three hundred fifty-seven".