135169805430 has 240 divisors, whose sum is σ = 402000307632. Its totient is φ = 32563555200.

The previous prime is 135169805401. The next prime is 135169805447. The reversal of 135169805430 is 34508961531.

135169805430 is a `hidden beast` number, since 1 + 3 + 5 + 16 + 98 + 0 + 543 + 0 = 666.

It is a super-3 number, since 3×135169805430³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 15971400 + ... + 15979860.

Almost surely, 2^135169805430 is an apocalyptic number.

135169805430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 135169805430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201000153816).

135169805430 is an abundant number, since it is smaller than the sum of its proper divisors (266830502202).

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

135169805430 is a wasteful number, since it uses less digits than its factorization.

135169805430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8665 (or 8645 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 135169805430 in words is "one hundred thirty-five billion, one hundred sixty-nine million, eight hundred five thousand, four hundred thirty".