135568323315 has 48 divisors (see below), whose sum is σ = 241925578752. Its totient is φ = 70188213312.

The previous prime is 135568323313. The next prime is 135568323361. The reversal of 135568323315 is 513323865531.

135568323315 is a `hidden beast` number, since 1 + 3 + 5 + 5 + 6 + 8 + 323 + 315 = 666.

It is not a de Polignac number, because 135568323315 - 2¹ = 135568323313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (135568323313) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100494 + ... + 530316.

It is an arithmetic number, because the mean of its divisors is an integer number (5040116224).

Almost surely, 2^135568323315 is an apocalyptic number.

135568323315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135568323315 is a deficient number, since it is larger than the sum of its proper divisors (106357255437).

135568323315 is a wasteful number, since it uses less digits than its factorization.

135568323315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430040 (or 430037 counting only the distinct ones).

The product of its digits is 972000, while the sum is 45.

The spelling of 135568323315 in words is "one hundred thirty-five billion, five hundred sixty-eight million, three hundred twenty-three thousand, three hundred fifteen".