135610120140 has 192 divisors, whose sum is σ = 432836490240. Its totient is φ = 31402229760.

The previous prime is 135610120069. The next prime is 135610120141. The reversal of 135610120140 is 41021016531.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 135610120140.

It is not an unprimeable number, because it can be changed into a prime (135610120141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11667612 + ... + 11679228.

It is an arithmetic number, because the mean of its divisors is an integer number (2254356720).

Almost surely, 2^135610120140 is an apocalyptic number.

135610120140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135610120140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216418245120).

135610120140 is an abundant number, since it is smaller than the sum of its proper divisors (297226370100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135610120140 is a wasteful number, since it uses less digits than its factorization.

135610120140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12432 (or 12430 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 135610120140 its reverse (41021016531), we get a palindrome (176631136671).

The spelling of 135610120140 in words is "one hundred thirty-five billion, six hundred ten million, one hundred twenty thousand, one hundred forty".