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134405141430 = 235721737145361
BaseRepresentation
bin111110100101100101…
…0111011001110110110
3110211220220222121122010
41331023022323032312
54200230204011210
6141424520345050
712465453565200
oct1751312731666
9424826877563
10134405141430
115200122008a
1222070015186
13c89c717ab1
146710561770
153769965920
hex1f4b2bb3b6

134405141430 has 192 divisors, whose sum is σ = 408050903232. Its totient is φ = 28132392960.

The previous prime is 134405141417. The next prime is 134405141441. The reversal of 134405141430 is 34141504431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 851950 + ... + 997310.

It is an arithmetic number, because the mean of its divisors is an integer number (2125265121).

Almost surely, 2134405141430 is an apocalyptic number.

134405141430 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 134405141430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204025451616).

134405141430 is an abundant number, since it is smaller than the sum of its proper divisors (273645761802).

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

134405141430 is a wasteful number, since it uses less digits than its factorization.

134405141430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145439 (or 145432 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 134405141430 its reverse (34141504431), we get a palindrome (168546645861).

The spelling of 134405141430 in words is "one hundred thirty-four billion, four hundred five million, one hundred forty-one thousand, four hundred thirty".