135648444315 has 32 divisors (see below), whose sum is σ = 217916338176. Its totient is φ = 72053089920.

The previous prime is 135648444293. The next prime is 135648444319. The reversal of 135648444315 is 513444846531.

It is not a de Polignac number, because 135648444315 - 2⁷ = 135648444187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135648444319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18138357 + ... + 18145833.

It is an arithmetic number, because the mean of its divisors is an integer number (6809885568).

Almost surely, 2^135648444315 is an apocalyptic number.

135648444315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135648444315 is a deficient number, since it is larger than the sum of its proper divisors (82267893861).

135648444315 is a wasteful number, since it uses less digits than its factorization.

135648444315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12219.

The product of its digits is 2764800, while the sum is 48.

The spelling of 135648444315 in words is "one hundred thirty-five billion, six hundred forty-eight million, four hundred forty-four thousand, three hundred fifteen".