1146388319 has 4 divisors (see below), whose sum is σ = 1213822944. Its totient is φ = 1078953696.

The previous prime is 1146388307. The next prime is 1146388337. The reversal of 1146388319 is 9138836411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9138836411 = 29537 ⋅309403.

It is a cyclic number.

It is not a de Polignac number, because 1146388319 - 2²⁰ = 1145339743 is a prime.

It is a super-2 number, since 2×1146388319² = 2628412355879291522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1146388319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146388819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33717287 + ... + 33717320.

It is an arithmetic number, because the mean of its divisors is an integer number (303455736).

Almost surely, 2^1146388319 is an apocalyptic number.

1146388319 is a deficient number, since it is larger than the sum of its proper divisors (67434625).

1146388319 is an equidigital number, since it uses as much as digits as its factorization.

1146388319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67434624.

The product of its digits is 124416, while the sum is 44.

The square root of 1146388319 is about 33858.3567084996. The cubic root of 1146388319 is about 1046.5916144385.

The spelling of 1146388319 in words is "one billion, one hundred forty-six million, three hundred eighty-eight thousand, three hundred nineteen".