1146538829 has 4 divisors (see below), whose sum is σ = 1146606780. Its totient is φ = 1146470880.

The previous prime is 1146538823. The next prime is 1146538849. The reversal of 1146538829 is 9288356411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9288356411 = 109 ⋅85214279.

It can be written as a sum of positive squares in 2 ways, for example, as 37515625 + 1109023204 = 6125^2 + 33302^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1146538829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146538823) 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, 12809 + ... + 49569.

It is an arithmetic number, because the mean of its divisors is an integer number (286651695).

Almost surely, 2^1146538829 is an apocalyptic number.

It is an amenable number.

1146538829 is a deficient number, since it is larger than the sum of its proper divisors (67951).

1146538829 is an equidigital number, since it uses as much as digits as its factorization.

1146538829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67950.

The product of its digits is 414720, while the sum is 47.

The square root of 1146538829 is about 33860.5792773839. The cubic root of 1146538829 is about 1046.6374149780.

The spelling of 1146538829 in words is "one billion, one hundred forty-six million, five hundred thirty-eight thousand, eight hundred twenty-nine".