1157340383 has 4 divisors (see below), whose sum is σ = 1179177048. Its totient is φ = 1135503720.

The previous prime is 1157340319. The next prime is 1157340397. The reversal of 1157340383 is 3830437511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3830437511 = 131 ⋅29239981.

It is a cyclic number.

It is not a de Polignac number, because 1157340383 - 2⁶ = 1157340319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157340083) 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, 10918253 + ... + 10918358.

It is an arithmetic number, because the mean of its divisors is an integer number (294794262).

Almost surely, 2^1157340383 is an apocalyptic number.

1157340383 is a deficient number, since it is larger than the sum of its proper divisors (21836665).

1157340383 is an equidigital number, since it uses as much as digits as its factorization.

1157340383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21836664.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 1157340383 is about 34019.7058041365. The cubic root of 1157340383 is about 1049.9139409437.

Adding to 1157340383 its reverse (3830437511), we get a palindrome (4987777894).

The spelling of 1157340383 in words is "one billion, one hundred fifty-seven million, three hundred forty thousand, three hundred eighty-three".