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136945063 = 137999599
BaseRepresentation
bin10000010100110…
…01110110100111
3100112200112022101
420022121312213
5240024220223
621331112531
73252004513
oct1012316647
9315615271
10136945063
1170335942
1239a42747
13224aa9a8
141428b143
15c0514ad
hex8299da7

136945063 has 4 divisors (see below), whose sum is σ = 137944800. Its totient is φ = 135945328.

The previous prime is 136945049. The next prime is 136945079. The reversal of 136945063 is 360549631.

136945063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 360549631 = 1327734587.

It is a cyclic number.

It is not a de Polignac number, because 136945063 - 217 = 136813991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136945363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499663 + ... + 499936.

It is an arithmetic number, because the mean of its divisors is an integer number (34486200).

Almost surely, 2136945063 is an apocalyptic number.

136945063 is a deficient number, since it is larger than the sum of its proper divisors (999737).

136945063 is an equidigital number, since it uses as much as digits as its factorization.

136945063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999736.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 136945063 is about 11702.3528830744. The cubic root of 136945063 is about 515.4447573406. Note that the first 3 decimals are identical.

The spelling of 136945063 in words is "one hundred thirty-six million, nine hundred forty-five thousand, sixty-three".

Divisors: 1 137 999599 136945063