135269212519 has 8 divisors (see below), whose sum is σ = 154597321088. Its totient is φ = 115942087800.

The previous prime is 135269212409. The next prime is 135269212601. The reversal of 135269212519 is 915212962531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135269212519 - 2¹⁵ = 135269179751 is a prime.

It is a super-2 number, since 2×135269212519² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135269212019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76924 + ... + 525790.

It is an arithmetic number, because the mean of its divisors is an integer number (19324665136).

Almost surely, 2^135269212519 is an apocalyptic number.

135269212519 is a deficient number, since it is larger than the sum of its proper divisors (19328108569).

135269212519 is an equidigital number, since it uses as much as digits as its factorization.

135269212519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491925.

The product of its digits is 291600, while the sum is 46.

The spelling of 135269212519 in words is "one hundred thirty-five billion, two hundred sixty-nine million, two hundred twelve thousand, five hundred nineteen".