265134142519 has 2 divisors, whose sum is σ = 265134142520. Its totient is φ = 265134142518.

The previous prime is 265134142439. The next prime is 265134142541. The reversal of 265134142519 is 915241431562.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265134142519 - 2¹⁹ = 265133618231 is a prime.

It is a super-2 number, since 2×265134142519² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265134142549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132567071259 + 132567071260.

It is an arithmetic number, because the mean of its divisors is an integer number (132567071260).

Almost surely, 2^265134142519 is an apocalyptic number.

265134142519 is a deficient number, since it is larger than the sum of its proper divisors (1).

265134142519 is an equidigital number, since it uses as much as digits as its factorization.

265134142519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 43.

The spelling of 265134142519 in words is "two hundred sixty-five billion, one hundred thirty-four million, one hundred forty-two thousand, five hundred nineteen".