135798289740 has 144 divisors (see below), whose sum is σ = 414473099040. Its totient is φ = 35988986880.

The previous prime is 135798289729. The next prime is 135798289777. The reversal of 135798289740 is 47982897531.

135798289740 is a `hidden beast` number, since 13 + 579 + 8 + 2 + 8 + 9 + 7 + 40 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45706455 + ... + 45709425.

It is an arithmetic number, because the mean of its divisors is an integer number (2878285410).

Almost surely, 2^135798289740 is an apocalyptic number.

135798289740 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 135798289740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207236549520).

135798289740 is an abundant number, since it is smaller than the sum of its proper divisors (278674809300).

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

135798289740 is a wasteful number, since it uses less digits than its factorization.

135798289740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4472 (or 4467 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 63.

The spelling of 135798289740 in words is "one hundred thirty-five billion, seven hundred ninety-eight million, two hundred eighty-nine thousand, seven hundred forty".