1165141193 has 4 divisors (see below), whose sum is σ = 1171178388. Its totient is φ = 1159104000.

The previous prime is 1165141177. The next prime is 1165141249. The reversal of 1165141193 is 3911415611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 134281744 + 1030859449 = 11588^2 + 32107^2 .

It is a cyclic number.

It is not a de Polignac number, because 1165141193 - 2⁴ = 1165141177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1165141793) 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, 3018308 + ... + 3018693.

It is an arithmetic number, because the mean of its divisors is an integer number (292794597).

Almost surely, 2^1165141193 is an apocalyptic number.

It is an amenable number.

1165141193 is a deficient number, since it is larger than the sum of its proper divisors (6037195).

1165141193 is an equidigital number, since it uses as much as digits as its factorization.

1165141193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6037194.

The product of its digits is 3240, while the sum is 32.

The square root of 1165141193 is about 34134.1646008804. The cubic root of 1165141193 is about 1052.2675689955.

The spelling of 1165141193 in words is "one billion, one hundred sixty-five million, one hundred forty-one thousand, one hundred ninety-three".