1146388089 has 16 divisors (see below), whose sum is σ = 1905684480. Its totient is φ = 595526160.

The previous prime is 1146388079. The next prime is 1146388097. The reversal of 1146388089 is 9808836411.

It is not a de Polignac number, because 1146388089 - 2⁴ = 1146388073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1146388079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2481129 + ... + 2481590.

It is an arithmetic number, because the mean of its divisors is an integer number (119105280).

Almost surely, 2^1146388089 is an apocalyptic number.

It is an amenable number.

1146388089 is a deficient number, since it is larger than the sum of its proper divisors (759296391).

1146388089 is a wasteful number, since it uses less digits than its factorization.

1146388089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4962740.

The product of its (nonzero) digits is 331776, while the sum is 48.

The square root of 1146388089 is about 33858.3533119967. The cubic root of 1146388089 is about 1046.5915444459.

The spelling of 1146388089 in words is "one billion, one hundred forty-six million, three hundred eighty-eight thousand, eighty-nine".