1135271497 has 8 divisors (see below), whose sum is σ = 1175093640. Its totient is φ = 1095494400.

The previous prime is 1135271483. The next prime is 1135271551. The reversal of 1135271497 is 7941725311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 230705721 + 904565776 = 15189^2 + 30076^2 .

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 1135271497 - 2¹⁵ = 1135238729 is a prime.

It is a super-4 number, since 4×1135271497⁴ (a number of 37 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1135271447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44833 + ... + 65425.

It is an arithmetic number, because the mean of its divisors is an integer number (146886705).

Almost surely, 2^1135271497 is an apocalyptic number.

It is an amenable number.

1135271497 is a deficient number, since it is larger than the sum of its proper divisors (39822143).

1135271497 is a wasteful number, since it uses less digits than its factorization.

1135271497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22523.

The product of its digits is 52920, while the sum is 40.

The square root of 1135271497 is about 33693.7901845429. The cubic root of 1135271497 is about 1043.1975972221.

The spelling of 1135271497 in words is "one billion, one hundred thirty-five million, two hundred seventy-one thousand, four hundred ninety-seven".