1156252135 has 8 divisors (see below), whose sum is σ = 1387746720. Its totient is φ = 924838944.

The previous prime is 1156252117. The next prime is 1156252157. The reversal of 1156252135 is 5312526511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1156252135 - 2⁵ = 1156252103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1156252097 and 1156252106.

It is a congruent number.

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, 17214 + ... + 51076.

It is an arithmetic number, because the mean of its divisors is an integer number (173468340).

Almost surely, 2^1156252135 is an apocalyptic number.

1156252135 is a deficient number, since it is larger than the sum of its proper divisors (231494585).

1156252135 is an equidigital number, since it uses as much as digits as its factorization.

1156252135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40697.

The product of its digits is 9000, while the sum is 31.

The square root of 1156252135 is about 34003.7076654885. The cubic root of 1156252135 is about 1049.5847594660.

Adding to 1156252135 its reverse (5312526511), we get a palindrome (6468778646).

The spelling of 1156252135 in words is "one billion, one hundred fifty-six million, two hundred fifty-two thousand, one hundred thirty-five".