1157360399 has 8 divisors (see below), whose sum is σ = 1246901040. Its totient is φ = 1067893056.

The previous prime is 1157360389. The next prime is 1157360441. The reversal of 1157360399 is 9930637511.

It is a Cunningham number, because it is equal to 34020²-1.

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 1157360399 - 2⁸ = 1157360143 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 (1157360329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17012 + ... + 51030.

It is an arithmetic number, because the mean of its divisors is an integer number (155862630).

Almost surely, 2^1157360399 is an apocalyptic number.

1157360399 is a deficient number, since it is larger than the sum of its proper divisors (89540641).

1157360399 is a wasteful number, since it uses less digits than its factorization.

1157360399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36649.

The product of its (nonzero) digits is 153090, while the sum is 44.

The square root of 1157360399 is about 34019.9999853028. Note that the first 4 decimals coincide. The cubic root of 1157360399 is about 1049.9199936016.

The spelling of 1157360399 in words is "one billion, one hundred fifty-seven million, three hundred sixty thousand, three hundred ninety-nine".