1353516394 has 4 divisors (see below), whose sum is σ = 2030274594. Its totient is φ = 676758196.

The previous prime is 1353516349. The next prime is 1353516403. The reversal of 1353516394 is 4936153531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1191285225 + 162231169 = 34515^2 + 12737^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 338379097 + ... + 338379100.

Almost surely, 2^1353516394 is an apocalyptic number.

1353516394 is a deficient number, since it is larger than the sum of its proper divisors (676758200).

1353516394 is an equidigital number, since it uses as much as digits as its factorization.

1353516394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676758199.

The product of its digits is 145800, while the sum is 40.

The square root of 1353516394 is about 36790.1670830672. The cubic root of 1353516394 is about 1106.1682106895.

It can be divided in two parts, 13535 and 16394, that added together give a square (29929 = 173²).

The spelling of 1353516394 in words is "one billion, three hundred fifty-three million, five hundred sixteen thousand, three hundred ninety-four".