135512677487 has 4 divisors (see below), whose sum is σ = 147832011816. Its totient is φ = 123193343160.

The previous prime is 135512677481. The next prime is 135512677501. The reversal of 135512677487 is 784776215531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135512677487 - 2⁴ = 135512677471 is a prime.

It is a super-3 number, since 3×135512677487³ (a number of 34 digits) contains 333 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 (135512677481) 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, 6159667148 + ... + 6159667169.

It is an arithmetic number, because the mean of its divisors is an integer number (36958002954).

Almost surely, 2^135512677487 is an apocalyptic number.

135512677487 is a deficient number, since it is larger than the sum of its proper divisors (12319334329).

135512677487 is a wasteful number, since it uses less digits than its factorization.

135512677487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12319334328.

The product of its digits is 9878400, while the sum is 56.

The spelling of 135512677487 in words is "one hundred thirty-five billion, five hundred twelve million, six hundred seventy-seven thousand, four hundred eighty-seven".