1146734641 has 4 divisors (see below), whose sum is σ = 1234945012. Its totient is φ = 1058524272.

The previous prime is 1146734639. The next prime is 1146734647. The reversal of 1146734641 is 1464376411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1464376411 = 1811 ⋅808601.

It can be written as a sum of positive squares in 2 ways, for example, as 228644641 + 918090000 = 15121^2 + 30300^2 .

It is not a de Polignac number, because 1146734641 - 2¹ = 1146734639 is a prime.

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 1146734641.

It is not an unprimeable number, because it can be changed into a prime (1146734647) 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, 44105166 + ... + 44105191.

It is an arithmetic number, because the mean of its divisors is an integer number (308736253).

Almost surely, 2^1146734641 is an apocalyptic number.

It is an amenable number.

1146734641 is a deficient number, since it is larger than the sum of its proper divisors (88210371).

1146734641 is an equidigital number, since it uses as much as digits as its factorization.

1146734641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88210370.

The product of its digits is 48384, while the sum is 37.

The square root of 1146734641 is about 33863.4705988621. The cubic root of 1146734641 is about 1046.6969950214.

The spelling of 1146734641 in words is "one billion, one hundred forty-six million, seven hundred thirty-four thousand, six hundred forty-one".