135494975887 has 32 divisors (see below), whose sum is σ = 141466590720. Its totient is φ = 129701669760.

The previous prime is 135494975873. The next prime is 135494975933. The reversal of 135494975887 is 788579494531.

It is not a de Polignac number, because 135494975887 - 2¹⁵ = 135494943119 is a prime.

It is a super-2 number, since 2×135494975887² (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 (135494975387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132968064 + ... + 132969082.

It is an arithmetic number, because the mean of its divisors is an integer number (4420830960).

Almost surely, 2^135494975887 is an apocalyptic number.

135494975887 is a deficient number, since it is larger than the sum of its proper divisors (5971614833).

135494975887 is a wasteful number, since it uses less digits than its factorization.

135494975887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503.

The product of its digits is 304819200, while the sum is 70.

The spelling of 135494975887 in words is "one hundred thirty-five billion, four hundred ninety-four million, nine hundred seventy-five thousand, eight hundred eighty-seven".