135173478147 has 16 divisors (see below), whose sum is σ = 181785881088. Its totient is φ = 89340739200.

The previous prime is 135173478109. The next prime is 135173478157. The reversal of 135173478147 is 741874371531.

It is not a de Polignac number, because 135173478147 - 2¹⁴ = 135173461763 is a prime.

It is a super-3 number, since 3×135173478147³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 135173478147.

It is not an unprimeable number, because it can be changed into a prime (135173478107) 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 15 ways as a sum of consecutive naturals, for example, 68758 + ... + 524475.

It is an arithmetic number, because the mean of its divisors is an integer number (11361617568).

Almost surely, 2^135173478147 is an apocalyptic number.

135173478147 is a deficient number, since it is larger than the sum of its proper divisors (46612402941).

135173478147 is a wasteful number, since it uses less digits than its factorization.

135173478147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593890.

The product of its digits is 1975680, while the sum is 51.

The spelling of 135173478147 in words is "one hundred thirty-five billion, one hundred seventy-three million, four hundred seventy-eight thousand, one hundred forty-seven".