1153135447 has 2 divisors, whose sum is σ = 1153135448. Its totient is φ = 1153135446.

The previous prime is 1153135433. The next prime is 1153135457. The reversal of 1153135447 is 7445313511.

It is a strong prime.

It is an emirp because it is prime and its reverse (7445313511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1153135447 - 2¹⁵ = 1153102679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1153135457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576567723 + 576567724.

It is an arithmetic number, because the mean of its divisors is an integer number (576567724).

Almost surely, 2^1153135447 is an apocalyptic number.

1153135447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153135447 is an equidigital number, since it uses as much as digits as its factorization.

1153135447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 34.

The square root of 1153135447 is about 33957.8480914206. The cubic root of 1153135447 is about 1048.6408558129.

Adding to 1153135447 its reverse (7445313511), we get a palindrome (8598448958).

The spelling of 1153135447 in words is "one billion, one hundred fifty-three million, one hundred thirty-five thousand, four hundred forty-seven".