1135890271 has 2 divisors, whose sum is σ = 1135890272. Its totient is φ = 1135890270.

The previous prime is 1135890263. The next prime is 1135890277. The reversal of 1135890271 is 1720985311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1135890271 - 2³ = 1135890263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1135890271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1135890277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567945135 + 567945136.

It is an arithmetic number, because the mean of its divisors is an integer number (567945136).

Almost surely, 2^1135890271 is an apocalyptic number.

1135890271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135890271 is an equidigital number, since it uses as much as digits as its factorization.

1135890271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 1135890271 is about 33702.9712488380. The cubic root of 1135890271 is about 1043.3870926603.

The spelling of 1135890271 in words is "one billion, one hundred thirty-five million, eight hundred ninety thousand, two hundred seventy-one".