1157132090 has 8 divisors (see below), whose sum is σ = 2082837780. Its totient is φ = 462852832.

The previous prime is 1157132089. The next prime is 1157132113. The reversal of 1157132090 is 902317511.

It can be written as a sum of positive squares in 2 ways, for example, as 1149684649 + 7447441 = 33907^2 + 2729^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57856595 + ... + 57856614.

Almost surely, 2^1157132090 is an apocalyptic number.

1157132090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1157132090 is a deficient number, since it is larger than the sum of its proper divisors (925705690).

1157132090 is a wasteful number, since it uses less digits than its factorization.

1157132090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115713216.

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 1157132090 is about 34016.6443083382. The cubic root of 1157132090 is about 1049.8509508765.

The spelling of 1157132090 in words is "one billion, one hundred fifty-seven million, one hundred thirty-two thousand, ninety".