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136542154 = 279753011
BaseRepresentation
bin10000010001101…
…11011111001010
3100111221001121211
420020313133022
5234423322104
621314323334
73245406040
oct1010673712
9314831554
10136542154
1170090161
123988954a
1322399498
14141c4390
15bec1e04
hex82377ca

136542154 has 8 divisors (see below), whose sum is σ = 234072288. Its totient is φ = 58518060.

The previous prime is 136542149. The next prime is 136542167. The reversal of 136542154 is 451245631.

It is a happy number.

136542154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4876492 + ... + 4876519.

It is an arithmetic number, because the mean of its divisors is an integer number (29259036).

Almost surely, 2136542154 is an apocalyptic number.

136542154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

136542154 is a deficient number, since it is larger than the sum of its proper divisors (97530134).

136542154 is an equidigital number, since it uses as much as digits as its factorization.

136542154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9753020.

The product of its digits is 14400, while the sum is 31.

The square root of 136542154 is about 11685.1253309496. The cubic root of 136542154 is about 514.9387604311.

Adding to 136542154 its reverse (451245631), we get a palindrome (587787785).

The spelling of 136542154 in words is "one hundred thirty-six million, five hundred forty-two thousand, one hundred fifty-four".

Divisors: 1 2 7 14 9753011 19506022 68271077 136542154