135628170915 has 32 divisors (see below), whose sum is σ = 228458131200. Its totient is φ = 68518396800.

The previous prime is 135628170869. The next prime is 135628170971. The reversal of 135628170915 is 519071826531.

It is not a de Polignac number, because 135628170915 - 2¹⁰ = 135628169891 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2313465 + ... + 2371365.

It is an arithmetic number, because the mean of its divisors is an integer number (7139316600).

Almost surely, 2^135628170915 is an apocalyptic number.

135628170915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135628170915 is a deficient number, since it is larger than the sum of its proper divisors (92829960285).

135628170915 is a wasteful number, since it uses less digits than its factorization.

135628170915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66147.

The product of its (nonzero) digits is 453600, while the sum is 48.

The spelling of 135628170915 in words is "one hundred thirty-five billion, six hundred twenty-eight million, one hundred seventy thousand, nine hundred fifteen".