269515139 has 2 divisors, whose sum is σ = 269515140. Its totient is φ = 269515138.

The previous prime is 269515097. The next prime is 269515151. The reversal of 269515139 is 931515962.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 269515139 - 2²⁴ = 252737923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 269515096 and 269515105.

It is not a weakly prime, because it can be changed into another prime (269515039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134757569 + 134757570.

It is an arithmetic number, because the mean of its divisors is an integer number (134757570).

Almost surely, 2^269515139 is an apocalyptic number.

269515139 is a deficient number, since it is larger than the sum of its proper divisors (1).

269515139 is an equidigital number, since it uses as much as digits as its factorization.

269515139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72900, while the sum is 41.

The square root of 269515139 is about 16416.9162451418. The cubic root of 269515139 is about 645.9432857967.

The spelling of 269515139 in words is "two hundred sixty-nine million, five hundred fifteen thousand, one hundred thirty-nine".