1345910798 has 4 divisors (see below), whose sum is σ = 2018866200. Its totient is φ = 672955398.

The previous prime is 1345910759. The next prime is 1345910831. The reversal of 1345910798 is 8970195431.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1345910798² = 3622951752345993608, 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 (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336477698 + ... + 336477701.

It is an arithmetic number, because the mean of its divisors is an integer number (504716550).

Almost surely, 2^1345910798 is an apocalyptic number.

1345910798 is a deficient number, since it is larger than the sum of its proper divisors (672955402).

1345910798 is an equidigital number, since it uses as much as digits as its factorization.

1345910798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672955401.

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 1345910798 is about 36686.6569477242. The cubic root of 1345910798 is about 1104.0924136522.

The spelling of 1345910798 in words is "one billion, three hundred forty-five million, nine hundred ten thousand, seven hundred ninety-eight".