1351013205 has 48 divisors (see below), whose sum is σ = 2323674432. Its totient is φ = 667968000.

The previous prime is 1351013159. The next prime is 1351013231. The reversal of 1351013205 is 5023101531.

It is not a de Polignac number, because 1351013205 - 2⁹ = 1351012693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1284930 + ... + 1285980.

It is an arithmetic number, because the mean of its divisors is an integer number (48409884).

Almost surely, 2^1351013205 is an apocalyptic number.

1351013205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1351013205 is a deficient number, since it is larger than the sum of its proper divisors (972661227).

1351013205 is a wasteful number, since it uses less digits than its factorization.

1351013205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218 (or 1147 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1351013205 is about 36756.1315293109. The cubic root of 1351013205 is about 1105.4858751998.

Adding to 1351013205 its reverse (5023101531), we get a palindrome (6374114736).

The spelling of 1351013205 in words is "one billion, three hundred fifty-one million, thirteen thousand, two hundred five".