1345918059 has 8 divisors (see below), whose sum is σ = 1993952720. Its totient is φ = 897278688.

The previous prime is 1345918051. The next prime is 1345918069. The reversal of 1345918059 is 9508195431.

1345918059 is a `hidden beast` number, since 1 + 3 + 4 + 591 + 8 + 0 + 59 = 666.

It is not a de Polignac number, because 1345918059 - 2³ = 1345918051 is a prime.

It is a super-2 number, since 2×1345918059² = 3622990843084654962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1345918051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24924382 + ... + 24924435.

It is an arithmetic number, because the mean of its divisors is an integer number (249244090).

Almost surely, 2^1345918059 is an apocalyptic number.

1345918059 is a deficient number, since it is larger than the sum of its proper divisors (648034661).

1345918059 is an equidigital number, since it uses as much as digits as its factorization.

1345918059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49848826 (or 49848820 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The square root of 1345918059 is about 36686.7559072753. The cubic root of 1345918059 is about 1104.0943991232.

The spelling of 1345918059 in words is "one billion, three hundred forty-five million, nine hundred eighteen thousand, fifty-nine".