315637090 has 16 divisors (see below), whose sum is σ = 568350072. Its totient is φ = 126209664.

The previous prime is 315637081. The next prime is 315637093. The reversal of 315637090 is 90736513.

It can be written as a sum of positive squares in 4 ways, for example, as 315311049 + 326041 = 17757^2 + 571^2 .

It is not an unprimeable number, because it can be changed into a prime (315637093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47662 + ... + 53878.

Almost surely, 2^315637090 is an apocalyptic number.

315637090 is a deficient number, since it is larger than the sum of its proper divisors (252712982).

315637090 is a wasteful number, since it uses less digits than its factorization.

315637090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11301.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 315637090 is about 17766.1782609542. The cubic root of 315637090 is about 680.8676137036.

The spelling of 315637090 in words is "three hundred fifteen million, six hundred thirty-seven thousand, ninety".