135241402665 has 64 divisors (see below), whose sum is σ = 223927153920. Its totient is φ = 69646832640.

The previous prime is 135241402633. The next prime is 135241402711. The reversal of 135241402665 is 566204142531.

It is not a de Polignac number, because 135241402665 - 2⁵ = 135241402633 is a prime.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 46489231 + ... + 46492139.

It is an arithmetic number, because the mean of its divisors is an integer number (3498861780).

Almost surely, 2^135241402665 is an apocalyptic number.

135241402665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135241402665 is a deficient number, since it is larger than the sum of its proper divisors (88685751255).

135241402665 is a wasteful number, since it uses less digits than its factorization.

135241402665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3562.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 135241402665 in words is "one hundred thirty-five billion, two hundred forty-one million, four hundred two thousand, six hundred sixty-five".