1146398513 has 8 divisors (see below), whose sum is σ = 1241721768. Its totient is φ = 1052095104.

The previous prime is 1146398489. The next prime is 1146398521. The reversal of 1146398513 is 3158936411.

It can be written as a sum of positive squares in 4 ways, for example, as 489604129 + 656794384 = 22127^2 + 25628^2 .

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 1146398513 - 2⁸ = 1146398257 is a prime.

It is a super-2 number, since 2×1146398513² = 2628459101217222338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1146398593) 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, 252620 + ... + 257117.

It is an arithmetic number, because the mean of its divisors is an integer number (155215221).

Almost surely, 2^1146398513 is an apocalyptic number.

1146398513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1146398513 is a deficient number, since it is larger than the sum of its proper divisors (95323255).

1146398513 is a wasteful number, since it uses less digits than its factorization.

1146398513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509923.

The product of its digits is 77760, while the sum is 41.

The square root of 1146398513 is about 33858.5072470716. The cubic root of 1146398513 is about 1046.5947166227.

The spelling of 1146398513 in words is "one billion, one hundred forty-six million, three hundred ninety-eight thousand, five hundred thirteen".