1146398619 has 8 divisors (see below), whose sum is σ = 1564078912. Its totient is φ = 746492040.

The previous prime is 1146398599. The next prime is 1146398641. The reversal of 1146398619 is 9168936411.

It is a happy number.

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

It is not a de Polignac number, because 1146398619 - 2¹² = 1146394523 is a prime.

It is a super-2 number, since 2×1146398619² = 2628459587290214322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1146398819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4443277 + ... + 4443534.

It is an arithmetic number, because the mean of its divisors is an integer number (195509864).

Almost surely, 2^1146398619 is an apocalyptic number.

1146398619 is a deficient number, since it is larger than the sum of its proper divisors (417680293).

1146398619 is an equidigital number, since it uses as much as digits as its factorization.

1146398619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8886857.

The product of its digits is 279936, while the sum is 48.

The square root of 1146398619 is about 33858.5088124093. The cubic root of 1146398619 is about 1046.5947488800.

The spelling of 1146398619 in words is "one billion, one hundred forty-six million, three hundred ninety-eight thousand, six hundred nineteen".