1158088389 has 4 divisors (see below), whose sum is σ = 1544117856. Its totient is φ = 772058924.

The previous prime is 1158088357. The next prime is 1158088411. The reversal of 1158088389 is 9838808511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1158088389 - 2⁵ = 1158088357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158088289) 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, 193014729 + ... + 193014734.

It is an arithmetic number, because the mean of its divisors is an integer number (386029464).

Almost surely, 2^1158088389 is an apocalyptic number.

It is an amenable number.

1158088389 is a deficient number, since it is larger than the sum of its proper divisors (386029467).

1158088389 is an equidigital number, since it uses as much as digits as its factorization.

1158088389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386029466.

The product of its (nonzero) digits is 552960, while the sum is 51.

The square root of 1158088389 is about 34030.6977448303. The cubic root of 1158088389 is about 1050.1400838045.

The spelling of 1158088389 in words is "one billion, one hundred fifty-eight million, eighty-eight thousand, three hundred eighty-nine".