135179655408 has 320 divisors, whose sum is σ = 452876728320. Its totient is φ = 37804935168.

The previous prime is 135179655277. The next prime is 135179655409. The reversal of 135179655408 is 804556971531.

135179655408 is a `hidden beast` number, since 1 + 3 + 5 + 1 + 7 + 96 + 5 + 540 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135179655409) 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, 98887141 + ... + 98888507.

It is an arithmetic number, because the mean of its divisors is an integer number (1415239776).

Almost surely, 2^135179655408 is an apocalyptic number.

135179655408 is a gapful number since it is divisible by the number (18) 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 135179655408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226438364160).

135179655408 is an abundant number, since it is smaller than the sum of its proper divisors (317697072912).

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

135179655408 is a wasteful number, since it uses less digits than its factorization.

135179655408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061 (or 2049 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 54.

The spelling of 135179655408 in words is "one hundred thirty-five billion, one hundred seventy-nine million, six hundred fifty-five thousand, four hundred eight".