135662308787 has 8 divisors (see below), whose sum is σ = 144675846000. Its totient is φ = 126763593984.

The previous prime is 135662308757. The next prime is 135662308829. The reversal of 135662308787 is 787803266531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135662308787 - 2¹² = 135662304691 is a prime.

It is a super-2 number, since 2×135662308787² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135662308757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28703162 + ... + 28707887.

It is an arithmetic number, because the mean of its divisors is an integer number (18084480750).

Almost surely, 2^135662308787 is an apocalyptic number.

135662308787 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

135662308787 is a deficient number, since it is larger than the sum of its proper divisors (9013537213).

135662308787 is a wasteful number, since it uses less digits than its factorization.

135662308787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57411205.

The product of its (nonzero) digits is 10160640, while the sum is 56.

The spelling of 135662308787 in words is "one hundred thirty-five billion, six hundred sixty-two million, three hundred eight thousand, seven hundred eighty-seven".