1157939385 has 8 divisors (see below), whose sum is σ = 1852703040. Its totient is φ = 617567664.

The previous prime is 1157939357. The next prime is 1157939417. The reversal of 1157939385 is 5839397511.

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

It is not a de Polignac number, because 1157939385 - 2⁵ = 1157939353 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38597965 + ... + 38597994.

It is an arithmetic number, because the mean of its divisors is an integer number (231587880).

Almost surely, 2^1157939385 is an apocalyptic number.

1157939385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1157939385 is a deficient number, since it is larger than the sum of its proper divisors (694763655).

1157939385 is an equidigital number, since it uses as much as digits as its factorization.

1157939385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77195967.

The product of its digits is 1020600, while the sum is 51.

The square root of 1157939385 is about 34028.5084157387. The cubic root of 1157939385 is about 1050.0950435508.

The spelling of 1157939385 in words is "one billion, one hundred fifty-seven million, nine hundred thirty-nine thousand, three hundred eighty-five".