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136857600000 = 214355511
BaseRepresentation
bin111111101110101011…
…0010100000000000000
3111002020211201102100000
41333131112110000000
54220241021200000
6142512125200000
712613313256162
oct1773526240000
9432224642300
10136857600000
115304a602550
1222635400000
13cba083cc04
1468a4158932
15385ee00000
hex1fdd594000

136857600000 has 1080 divisors, whose sum is σ = 559051155936. Its totient is φ = 33177600000.

The previous prime is 136857599971. The next prime is 136857600007. The reversal of 136857600000 is 6758631.

It is a tau number, because it is divible by the number of its divisors (1080).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136857600007) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12441599995 + ... + 12441600005.

Almost surely, 2136857600000 is an apocalyptic number.

136857600000 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 136857600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279525577968).

136857600000 is an abundant number, since it is smaller than the sum of its proper divisors (422193555936).

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

136857600000 is an frugal number, since it uses more digits than its factorization.

136857600000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 21 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 136857600000 in words is "one hundred thirty-six billion, eight hundred fifty-seven million, six hundred thousand".