135263514540 has 192 divisors, whose sum is σ = 474667941888. Its totient is φ = 27959366400.

The previous prime is 135263514539. The next prime is 135263514553. The reversal of 135263514540 is 45415362531.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 805777 + ... + 959063.

It is an arithmetic number, because the mean of its divisors is an integer number (2472228864).

Almost surely, 2^135263514540 is an apocalyptic number.

135263514540 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 135263514540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237333970944).

135263514540 is an abundant number, since it is smaller than the sum of its proper divisors (339404427348).

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

135263514540 is a wasteful number, since it uses less digits than its factorization.

135263514540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153508 (or 153506 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 135263514540 in words is "one hundred thirty-five billion, two hundred sixty-three million, five hundred fourteen thousand, five hundred forty".