135120012116 has 6 divisors (see below), whose sum is σ = 236460021210. Its totient is φ = 67560006056.

The previous prime is 135120012113. The next prime is 135120012121. The reversal of 135120012116 is 611210021531.

It can be written as a sum of positive squares in only one way, i.e., 134691936016 + 428076100 = 367004^2 + 20690^2 .

It is a junction number, because it is equal to n+sod(n) for n = 135120012091 and 135120012100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135120012113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16890001511 + ... + 16890001518.

It is an arithmetic number, because the mean of its divisors is an integer number (39410003535).

Almost surely, 2^135120012116 is an apocalyptic number.

It is an amenable number.

135120012116 is a deficient number, since it is larger than the sum of its proper divisors (101340009094).

135120012116 is a wasteful number, since it uses less digits than its factorization.

135120012116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33780003033 (or 33780003031 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 135120012116 its reverse (611210021531), we get a palindrome (746330033647).

The spelling of 135120012116 in words is "one hundred thirty-five billion, one hundred twenty million, twelve thousand, one hundred sixteen".