1157136193 has 8 divisors (see below), whose sum is σ = 1183713408. Its totient is φ = 1130640624.

The previous prime is 1157136181. The next prime is 1157136209. The reversal of 1157136193 is 3916317511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1157136193 - 2¹⁷ = 1157005121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1157136133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8730 + ... + 48892.

It is an arithmetic number, because the mean of its divisors is an integer number (147964176).

Almost surely, 2^1157136193 is an apocalyptic number.

It is an amenable number.

1157136193 is a deficient number, since it is larger than the sum of its proper divisors (26577215).

1157136193 is an equidigital number, since it uses as much as digits as its factorization.

1157136193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40823.

The product of its digits is 17010, while the sum is 37.

The square root of 1157136193 is about 34016.7046169966. The cubic root of 1157136193 is about 1049.8521917413.

The spelling of 1157136193 in words is "one billion, one hundred fifty-seven million, one hundred thirty-six thousand, one hundred ninety-three".