1135388819 has 2 divisors, whose sum is σ = 1135388820. Its totient is φ = 1135388818.

The previous prime is 1135388803. The next prime is 1135388827. The reversal of 1135388819 is 9188835311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1135388819 - 2⁴ = 1135388803 is a prime.

It is a super-2 number, since 2×1135388819² = 2578215540620429522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1135382819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567694409 + 567694410.

It is an arithmetic number, because the mean of its divisors is an integer number (567694410).

Almost surely, 2^1135388819 is an apocalyptic number.

1135388819 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135388819 is an equidigital number, since it uses as much as digits as its factorization.

1135388819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 47.

The square root of 1135388819 is about 33695.5311428682. The cubic root of 1135388819 is about 1043.2335315964.

The spelling of 1135388819 in words is "one billion, one hundred thirty-five million, three hundred eighty-eight thousand, eight hundred nineteen".