1351434243 has 16 divisors (see below), whose sum is σ = 1867309056. Its totient is φ = 868485120.

The previous prime is 1351434241. The next prime is 1351434247. The reversal of 1351434243 is 3424341531.

It is not a de Polignac number, because 1351434243 - 2¹ = 1351434241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1351434243.

It is not an unprimeable number, because it can be changed into a prime (1351434241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4371 + ... + 52172.

It is an arithmetic number, because the mean of its divisors is an integer number (116706816).

Almost surely, 2^1351434243 is an apocalyptic number.

1351434243 is a deficient number, since it is larger than the sum of its proper divisors (515874813).

1351434243 is a wasteful number, since it uses less digits than its factorization.

1351434243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56834.

The product of its digits is 17280, while the sum is 30.

The square root of 1351434243 is about 36761.8585357161. The cubic root of 1351434243 is about 1105.6007033936.

Adding to 1351434243 its reverse (3424341531), we get a palindrome (4775775774).

The spelling of 1351434243 in words is "one billion, three hundred fifty-one million, four hundred thirty-four thousand, two hundred forty-three".