269136019 has 2 divisors, whose sum is σ = 269136020. Its totient is φ = 269136018.

The previous prime is 269135981. The next prime is 269136047. The reversal of 269136019 is 910631962.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 269136019 - 2⁹ = 269135507 is a prime.

It is a super-2 number, since 2×269136019² = 144868393446336722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (269136059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134568009 + 134568010.

It is an arithmetic number, because the mean of its divisors is an integer number (134568010).

Almost surely, 2^269136019 is an apocalyptic number.

269136019 is a deficient number, since it is larger than the sum of its proper divisors (1).

269136019 is an equidigital number, since it uses as much as digits as its factorization.

269136019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 269136019 is about 16405.3655552078. The cubic root of 269136019 is about 645.6402664115.

The spelling of 269136019 in words is "two hundred sixty-nine million, one hundred thirty-six thousand, nineteen".