135147831719 has 2 divisors, whose sum is σ = 135147831720. Its totient is φ = 135147831718.

The previous prime is 135147831673. The next prime is 135147831727. The reversal of 135147831719 is 917138741531.

It is a strong prime.

It is an emirp because it is prime and its reverse (917138741531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135147831719 - 2²⁰ = 135146783143 is a prime.

It is a super-2 number, since 2×135147831719² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135147831799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67573915859 + 67573915860.

It is an arithmetic number, because the mean of its divisors is an integer number (67573915860).

Almost surely, 2^135147831719 is an apocalyptic number.

135147831719 is a deficient number, since it is larger than the sum of its proper divisors (1).

135147831719 is an equidigital number, since it uses as much as digits as its factorization.

135147831719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 50.

The spelling of 135147831719 in words is "one hundred thirty-five billion, one hundred forty-seven million, eight hundred thirty-one thousand, seven hundred nineteen".