135084171383 has 4 divisors (see below), whose sum is σ = 154381910160. Its totient is φ = 115786432608.

The previous prime is 135084171379. The next prime is 135084171407. The reversal of 135084171383 is 383171480531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 383171480531 = 7 ⋅54738782933.

It is not a de Polignac number, because 135084171383 - 2² = 135084171379 is a prime.

It is a super-2 number, since 2×135084171383² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135084171323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9648869378 + ... + 9648869391.

It is an arithmetic number, because the mean of its divisors is an integer number (38595477540).

Almost surely, 2^135084171383 is an apocalyptic number.

135084171383 is a deficient number, since it is larger than the sum of its proper divisors (19297738777).

135084171383 is an equidigital number, since it uses as much as digits as its factorization.

135084171383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19297738776.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 135084171383 in words is "one hundred thirty-five billion, eighty-four million, one hundred seventy-one thousand, three hundred eighty-three".