1153271434 has 16 divisors (see below), whose sum is σ = 1999252800. Its totient is φ = 488705184.

The previous prime is 1153271423. The next prime is 1153271461. The reversal of 1153271434 is 4341723511.

It is a junction number, because it is equal to n+sod(n) for n = 1153271396 and 1153271405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461544 + ... + 464035.

It is an arithmetic number, because the mean of its divisors is an integer number (124953300).

Almost surely, 2^1153271434 is an apocalyptic number.

1153271434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1153271434 is a deficient number, since it is larger than the sum of its proper divisors (845981366).

1153271434 is an equidigital number, since it uses as much as digits as its factorization.

1153271434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925677.

The product of its digits is 10080, while the sum is 31.

The square root of 1153271434 is about 33959.8503235806. The cubic root of 1153271434 is about 1048.6820755786.

Adding to 1153271434 its reverse (4341723511), we get a palindrome (5494994945).

The spelling of 1153271434 in words is "one billion, one hundred fifty-three million, two hundred seventy-one thousand, four hundred thirty-four".